Heat detectors are a fundamental layer of fire detection — responding to the thermal energy of a fire rather than visible smoke particles. While smoke detectors excel in living spaces and corridors, heat detectors are the correct and often code-mandated choice for environments where smoke, dust, steam, or fumes would cause excessive false alarms: kitchens, garages, workshops, boiler rooms, attics, laundry rooms, industrial production areas, parking garages, and many other spaces where smoke detectors are impractical.
Heat detectors sense fire through two mechanisms: fixed temperature detection — activating when the temperature at the detector reaches a predetermined threshold (e.g., 54degC for EN 54-5 Class A1, 78degC for Class B), ideal for environments with normal temperature fluctuations; and rate-of-rise detection — activating when the temperature rises faster than a calibrated rate (typically 7.8-8.3degC/min per EN 54-5), providing earlier warning for rapidly developing fires before the absolute temperature reaches dangerous levels. Many models combine both principles for comprehensive protection.
The WiFi Heat Detector from Wanlin Fire Control provides reliable, EN 54-5 certified thermal fire detection using precision NTC thermistor sensor technology. As a direct manufacturer with over a decade of fire detection expertise, Wanlin produces heat detectors covering the full EN 54-5 temperature class range (A1 through G, with rate-of-rise variants) — combining certified safety performance with factory-direct pricing that makes code-compliant heat detection accessible for projects worldwide.

WiFi Heat Detector — Certified Heat Detector by Wanlin Fire Control
Product Category: Heat Alarm
Brand: Wanlin Fire Control
Detection Principle: High-sensitivity NTC thermistor — rapid temperature change detection for early fire warning
Alarm Class: Fixed temperature 57degC per EN 54-5 Class B
Response Time: Alarm activation within 40 seconds at rated fixed temperature threshold per EN 54-5
Alarm Temperature: 57degC fixed temperature (EN 54-5 Class A2 rating)
Alarm Notification: Built-in siren (95 dB at 3m) + high-intensity LED indicator (Green=normal, Red=alarm)
Alarm Sound Pressure: ≥95 dB at 3 meters
Visual Indicators: Power LED (green) / Alarm LED (red flashing) / Fault LED (yellow)
Connectivity: Standalone — all alert functions operate independently without any network
SIM / Network: N/A — standalone device (no network required)
Network Independence: Fully independent operation — built-in siren and LED indicator function without any network or external device. No hub, no WiFi, no gateway needed.
Power Supply: Built-in lithium thionyl chloride battery (non-replaceable, 10-year life, wide temperature range)
Battery Lifetime: 7-10 years under normal operating conditions
Low Battery Warning: Chirp every 60 seconds + LED flash 30 days before battery depletion (network-connected models also send APP/SMS notification)
End-of-Life Warning: Distinctive chirp and LED pattern when sensor reaches end of rated lifetime — typically 10 years from manufacture date. Detector should be replaced when end-of-life signal activates.
Self-Test: Automatic self-test every 60 seconds — verifies sensor function, battery voltage, and siren circuit. Manual test via TEST button.
Test/Silence Button: Front-panel button — press to test all alarm functions or silence nuisance alarm (auto-reset after 5 minutes)
Installation: Ceiling mount or wall mount with included bracket and screws. Installation takes under 5 minutes. Adhesive pad option also included for non-masonry surfaces.
Mounting Location: Ceiling mount (recommended) — heat rises, so ceiling placement provides earliest detection
Coverage Area: Per NFPA 72 spacing: 15ft x 15ft (approximately 20 sqm) for smooth ceiling
Product Dimensions: 110 x 100 x 45 mm / 190g
Enclosure Material: UL94 V-0 flame-retardant ABS + PC blend
Operating Temperature: -10degC to +55degC
Operating Humidity: 10%-93% RH (non-condensing)
Storage Temperature: -20degC to +60degC
IP Rating: IP30 — suitable for indoor and protected outdoor use
Certification: EN 54-5:2017 / CE / RoHS / VdS / FCC / REACH
Warranty: 2 years manufacturer warranty against defects
Package Contents: Heat detector unit, mounting base/bracket with twist-lock mechanism, screws and wall plugs, adhesive mounting pad, user manual (multi-language), quick-start guide, warranty card
Selecting the right manufacturing partner for heat detectors is a decision with life-safety implications — product reliability, certification compliance, and consistent thermal response performance are non-negotiable. Wanlin Fire Control has earned trust as a preferred partner for international buyers through:
✓ Genuine Manufacturing, Not Trading: We own and operate our ISO9001:2015 certified production facility with in-house thermal calibration laboratories, SMT assembly lines, injection molding, environmental testing chambers (temperature cycling from -40degC to +150degC, humidity exposure up to 98% RH), thermal response time testing equipment, and automated functional testing stations. You communicate directly with the factory — your technical questions about EN 54-5 class selection, thermal response characteristics, or customization are answered by the engineers who design and build the products.
✓ Full EN 54-5 Class Coverage: Our manufacturing platform produces heat detectors across the complete EN 54-5 temperature class range — A1, A2, B, C, D, E, F, G — plus rate-of-rise (R) variants. Whether you need Class A1 (54degC) for residential kitchens, Class B (69-85degC) for commercial cooking areas, Class C (84-100degC) for industrial processes and parking garages, or Classes D-G for high-temperature applications — Wanlin manufactures them all from one factory.
✓ Multi-Technology Connectivity Portfolio: We manufacture standalone battery-operated detectors, wireless RF interconnected models, WiFi smart detectors, 4G cellular detectors, NB-IoT detectors, LoRaWAN detectors, Zigbee sensors, Z-Wave sensors, and Modbus RTU output models for BMS integration — all from one supplier. You can address every customer segment (residential, commercial, industrial, smart building) without managing multiple supplier relationships.
✓ Partner-First Business Philosophy: We are a manufacturer for distributors, not a fire system brand competing with them. Flexible OEM/ODM with competitive MOQ, white-label mobile APP for smart models, exclusive territory protection, comprehensive marketing support, and dedicated account management. Our success is measured by our partners' market success.
✓ Global Deployment Experience: Our heat detectors protect lives and property in UK social housing kitchens, UAE tower parking garages, German food processing factories, Canadian data centers, Thai hotel kitchens, Nigerian oil & gas facilities, Indonesian government housing, Australian e-commerce brands, Brazilian industrial bakeries, Spanish hospitals, and South African cold storage warehouses.
The WiFi Heat Detector offers distinct competitive advantages for international buyers:
1. Precision Thermal Sensing: High-quality NTC thermistors individually calibrated in our temperature chamber laboratory at the detector's rated fixed temperature threshold. Every detector is tested against EN 54-5 response time requirements — not batch-tested, every unit. This individual calibration ensures the detector activates within the precise EN 54-5 time window at its rated temperature — not too early (false alarm risk) and not too late (delayed detection risk).
2. Certified Safety, Factory-Direct Value: EN 54-5 / CE (CPR 305/2011) certification combined with factory-direct pricing creates a value proposition competitors cannot match. Trading companies offer lower cost but uncertain certification and quality. Fire system brands offer certification but with brand premiums and rigid distribution models. Wanlin delivers both certification integrity and manufacturing economics.
3. The Right Detector for Every Environment: Heat detectors are NOT one-size-fits-all — the correct temperature class, connectivity method, and environmental rating depend on the application. Wanlin produces the full spectrum: A1 (54degC) for living areas, A2/B for kitchens and garages, B/C for commercial and industrial, D+ for high-temperature processes, ATEX/IECEx for hazardous areas, IP65+ for wet/dusty environments, and extended temperature range (-30degC to +105degC) for cold storage and high-temperature applications. One supplier covers all your customers' needs.
4. False Alarm Immunity: Unlike smoke detectors that can be triggered by cooking, steam, dust, or vehicle exhaust, heat detectors respond only to temperature — making them inherently false-alarm resistant in challenging environments. Combined with our individual calibration and dual-mode sensing (fixed temperature + rate-of-rise), the WiFi Heat Detector provides reliable fire detection without the costly disruptions of false alarms.
5. Regulatory-Ready for Global Markets: Every Wanlin heat detector is designed for certification. The core platform is lab-tested to EN 54-5, and we manage country-specific certification (UL 521, VdS, LPCB, AS 7240.5, ABNT NBR 9441, KC, GOST) on your behalf. When you need market-specific approval, we manage the process with accredited laboratories — not you.
6. 10-Year Replacement Cycle: EN 54-5 and NFPA 72 recommend heat detector replacement after 10 years of service. Every detector sold today generates a guaranteed replacement sale — creating predictable, recurring demand that builds long-term distributor business value.
Why Distributors Choose Wanlin: Apollo, Hochiki, System Sensor, and Siemens are fire system brands that sell through established distribution — they compete with new distributors for territory and margin. Wanlin is a manufacturer: we make EN 54-5 / UL 521 certified heat detectors to international standards, you build the brand and distribution channel in your market. We offer private labeling, OEM branding, country-specific certification management, and partnership models that fire system brands cannot provide. This fundamental difference — manufacturer-partner vs. competing brand — is why international distributors source heat detectors from Wanlin.
Whether you are evaluating heat detector suppliers, expanding your fire safety product catalog as a distributor, or specifying detection equipment for a building project — these answers address the most common questions from international buyers considering Wanlin Fire Control as their WiFi Heat Detector manufacturing partner.
Wanlin Fire Control is a genuine manufacturer — not a trading company. We own and operate our ISO9001:2015 certified production facility with in-house thermal calibration laboratories, SMT PCB assembly lines, injection molding for enclosures, environmental testing chambers (temperature cycling from -40degC to +150degC, humidity exposure up to 98% RH), thermal response time testing equipment, and automated functional testing stations. This vertical integration means: factory-direct pricing with no intermediary markup (typically 20-35% savings versus trading companies), consistent end-to-end quality control, direct access to our R&D engineering team for technical support and product customization, and faster production lead times. When you source heat detectors from Wanlin, you communicate directly with the factory — your technical questions about thermal response characteristics, EN 54-5 testing data, or sensor calibration get engineer-level answers, not sales-rep estimates.
Our MOQ structure supports partners at every stage: Evaluation/sample phase — 10-50 units for product testing, APP evaluation, market sampling, and certification verification (you pay sample cost + shipping, credited against your first bulk order); Trial market entry — 100-500 units with competitive small-batch pricing; Regular distribution — 1000-5000 units with significant wholesale discounts; Volume distribution — 5000-20,000+ units with tiered volume pricing; Annual framework agreement — negotiated pricing locked for 12 months with quarterly volume commitments. Heat detectors are a key product category within our fire safety portfolio — our factory produces 30,000+ units monthly, giving us component purchasing power that translates to competitive pricing at all order levels. Contact our export team with your target market, annual volume projection, and preferred model(s) for a detailed quotation.
Absolutely. OEM/ODM is a core part of our business. Full customization includes: Branding — your logo, brand name, model number, and color scheme on the detector housing, packaging, and user manual; Firmware customization — language localization (voice alerts and APP UI in your language), custom alarm threshold settings (choice of fixed temperature class: A1/A2/B/C/D/E/F/G per EN 54-5), notification workflow customization; Hardware customization — enclosure color/finish (custom injection molding with MOQ 5000+), LED color selection, sensor configuration (fixed temperature only, rate-of-rise, or fixed + rate-of-rise combination), mounting base design; Packaging — custom retail box design (blister pack, display box, eco-friendly packaging), multi-language manual, country-specific regulatory markings (CE, UKCA, CPR), barcode/EAN/UPC assignment; APP — white-label mobile APP with your brand name and logo published on App Store and Google Play (for smart/WiFi/4G models); Certification — we coordinate testing and certification under your brand with accredited labs (TUV, SGS, Intertek, UL, VdS, LPCB). Typical MOQ: 1000 units for standard OEM branding, 5000+ for full ODM with custom tooling. We have successfully delivered private-label heat detectors for brands across Europe, North America, Middle East, Southeast Asia, Africa, and Latin America.
Our heat detectors are designed and tested to meet global fire detection standards: Core standard: EN 54-5:2017+A1:2018 — the harmonized European standard for point-type heat detectors, mandatory under EU Construction Products Regulation (CPR 305/2011). Our detectors cover multiple temperature classes: A1 (54degC typical application), A2 (54degC), B (69degC), C (84degC), D (99degC), E (114degC), and F/G for specific high-temperature applications — plus rate-of-rise (R) variants. CE marking per CPR 305/2011 with Declaration of Performance (DoP). Additional certifications: UL 521 (USA — heat detectors for fire protective signaling systems), FM Approved (USA — industrial and commercial property insurance), VdS (Germany — insurance industry recognized, often required by German fire codes), LPCB (UK — Loss Prevention Certification Board), NF (France — CNPP certified), AS 7240.5 (Australia/New Zealand — point-type heat detectors), GOST (Russia/CIS), KC (Korea), Building hardware compliance: FCC Part 15 (radio frequency for wireless models), RoHS and REACH. For hazardous locations: ATEX / IECEx certification available for explosion-proof models (Zone 1/2, gas groups IIA/IIB/IIC, temperature class T1-T6). Complete documentation packages provided with every shipment for customs clearance and regulatory submission.
Full export logistics managed by our in-house documentation team: Express shipping — DHL/FedEx/UPS (3-7 days worldwide) for samples and small orders up to ~300 units; Air freight — 7-12 days for 300-3000 units, ideal for time-sensitive market entry; Sea freight — FCL (20ft/40ft containers) or LCL consolidation — 25-45 days for bulk orders (3000+ units). Standard documentation package per shipment: Commercial Invoice, Packing List, Certificate of Origin (Form E / Form F / Form A / CO), CE/EN 54-5/CPR certificates and test reports including Declaration of Performance, Bill of Lading / Airway Bill, and any country-specific documentation you require. We work with your nominated freight forwarder or recommend reliable logistics partners. All documentation prepared same-day after shipment confirmation — digital copies emailed immediately, originals couriered with goods.
Standard terms: 30% T/T deposit to confirm order and begin production, 70% balance before shipment (we send photos/videos of completed goods for your approval before requesting final payment). Established partners (3+ successful orders): Net-30 or Net-60 open account terms, or 50% deposit / 50% against scanned shipping documents. Payment methods: T/T bank transfer (preferred — fast and low-fee), L/C at sight from major international banks, Western Union for sample orders under $2000. All payments to our verified corporate bank account — we provide bank details, SWIFT code, and company registration documents with the proforma invoice. We also accept Alibaba Trade Assurance for first-time buyers preferring platform purchase protection.
From maintained safety stock: 3-7 business days for our best-selling standard models (up to 1000 units). From production line: Standard models — 10-18 business days for orders 1000-10,000 units; OEM with existing tooling — 15-25 business days for branding, firmware, and packaging customization; Full ODM development (new tooling, custom PCB, new certification) — 30-60 business days depending on scope. Rush production: +25% surcharge for priority scheduling, typically reducing lead time by 30-40%. We maintain buffer stock of core components (thermistors, ICs, batteries, enclosures, mounting bases) to minimize supply chain disruption risk and can respond to unexpected demand spikes.
Our ISO9001:2015 certified quality management system includes rigorous testing at every stage: Incoming component inspection — every batch of thermistors tested for resistance-temperature curve accuracy, response time verification in controlled temperature chamber; SMT production QC — AOI (Automated Optical Inspection) after solder paste printing, component placement, and reflow soldering; Thermal calibration — each heat detector is individually tested in a controlled temperature chamber at its rated fixed temperature threshold to verify alarm activation within EN 54-5 specified time windows; Rate-of-rise verification — for R-class detectors, temperature ramped at specified rate (typically 7.8degC/min per EN 54-5) to verify rate-of-rise response time; Burn-in aging — 24-48 hours powered-on continuous operation for all units including thermal cycling; Functional testing — siren volume measurement, LED verification, button function, battery voltage, wireless connectivity (where applicable); Final QC — 100% visual inspection + AQL 1.0 random sampling for full certification compliance verification; Batch traceability — every unit traceable from raw material lots to finished product serial number with complete test data records.
Wanlin Fire Control's WiFi Heat Detector has proven its life-saving value across diverse deployment scenarios worldwide:
✓ ATEX Industrial Deployment — Nigeria: A Nigerian oil & gas services company operating at 12 onshore processing facilities and flow stations deployed Wanlin's ATEX/IECEx certified heat detectors for hazardous area fire detection. Previous fire detection used smoke detectors in non-hazardous areas only — leaving classified zones unprotected. Wanlin provided: ATEX Zone 1 / IECEx certified heat detectors (Ex d IIC T6), fixed temperature Class C (84degC) for high ambient Nigerian temperatures + rate-of-rise detection, stainless steel 316L enclosures for corrosion resistance in coastal/humid environments, 4G cellular connectivity — independent of site infrastructure (many remote flow stations have limited or no fixed communication infrastructure), solar panel + battery power option for completely off-grid locations, and GPS location reporting (each detector reports its coordinates — critical for remote sites accessible only by helicopter or boat). Deployment across 12 facilities (total 480+ detectors) completed in 6 weeks — enabled by wireless/4G architecture requiring no cable installation in hazardous areas. The system has detected 2 thermal events (pump bearing overheat and pipeline flange gas leak ignition) with immediate alarm enabling emergency shutdown system activation. The operator has now mandated ATEX-certified heat detection as standard for all current and future facilities.
✓ E-commerce Brand Launch — Australia: An Australian fire safety e-commerce brand launched a private-label heat detector product line manufactured entirely by Wanlin. The brand owner identified an underserved market segment: Australian homeowners who need kitchen and garage heat detectors but can only find smoke detectors at retail. Wanlin provided full OEM service: custom-branded heat detectors with Australian-appropriate design (matte white, compact profile), AS 7240.5 certification (harmonized with EN 54-5 for the Australian market), RCM electromagnetic compatibility marking, Australian English voice alerts for smart WiFi models, custom retail packaging (designed for Bunnings/Mitre 10 shelf and Amazon AU), Amazon FBA preparation, and comprehensive installation and placement videos filmed in Australian homes. The product launched with 3 SKUs: Basic battery-operated (AUD $29.99), digital display with peak memory (AUD $44.99), and WiFi smart with APP (AUD $59.99). Within 12 months: #1 Best Seller in Heat Detectors on Amazon AU, 4.6-star average from 320+ reviews, expanded product line to include smoke detectors, CO detectors, and combination units, and AUD $1.2M annual revenue from the fire detection category. The brand owner specifically credited Wanlin's ability to manage the AS 7240.5 certification process through an Australian accredited laboratory as the make-or-break factor in their launch timeline.
✓ Food Processing Factory — Germany: A German food processing company operating three production facilities (meat, dairy, and bakery) standardized on Wanlin's industrial heat detectors after repeated false alarm issues with smoke detectors in production areas. The previous smoke detection system was generating 40-60 false alarms per month from: flour dust (bakery), steam from cooking and cleaning processes, cold fog from refrigeration areas, and airborne oil mist (frying lines). Each false alarm triggered production shutdown, fire brigade call-out, and approximately EUR 5,000-15,000 in lost production per incident. Wanlin provided: EN 54-5 certified industrial heat detectors (Class B, 69degC, with IP65 enclosure for washdown areas), ATEX-certified variants for areas with combustible dust (flour, sugar), and 4G cellular connectivity for all detectors — the factory's IT security policy prohibited third-party devices on the corporate WiFi, making 4G the ideal independent solution. After 12 months: zero false alarms from heat detectors (vs. 480+ in the previous year with smoke detectors), detection of 2 genuine fire events (conveyor belt motor overheating and deep fryer temperature excursion) — both contained by in-house response before fire brigade arrival, and EUR 180,000+ annual savings in avoided production downtime and false alarm call-out charges. The factory has now specified Wanlin heat detectors for all new and retrofit fire detection across the group.
Wanlin Fire Control structures partnerships around your business model. As a direct manufacturer with full in-house production and R&D, we offer flexible partnership models:
Brand Distributor: Purchase Wanlin-branded WiFi Heat Detector at distributor pricing → build the Wanlin brand in your territory → we provide marketing materials, technical training, and protected territory rights.
OEM / Private Label Partner: We manufacture the WiFi Heat Detector to your specifications — your brand, your packaging, your firmware language/voice alerts — you own the customer relationship and channel. MOQ from 1000 units.
Project / Tender Partner: Joint bidding on government, commercial, or industrial fire safety projects. We provide technical proposals, EN 54-5 certification documentation, reference projects, and competitive bulk pricing for large-scale deployments.
Technology / Assembly Partner: For markets requiring local content — we supply sensor modules, PCBs, and components for local assembly, meeting import substitution requirements while maintaining quality.
E-commerce / FBA Partner: We manufacture, you sell online — full Amazon FBA prep, dropshipping, and direct-to-consumer fulfillment supported. White-label options available.
Current partnership opportunities: Exclusive country/regional distributorships available with protected territories, white-label and OEM manufacturing programs with competitive MOQ (from 1000 units), joint venture or local assembly partnerships for large markets, technology licensing for local manufacturing, and government tender partnership with full documentation support including EN 54-5 / UL 521 certification packages.
Heat detection is a critical and non-negotiable component of comprehensive fire safety — required by fire codes worldwide for kitchens, garages, boiler rooms, parking structures, industrial processes, and any environment where smoke detectors would generate unacceptable false alarm rates. The global heat detector market is experiencing strong, diversified growth driven by tightening fire codes, data center construction, industrial safety modernization, smart building adoption, and the ongoing replacement of aging detector fleets.
The WiFi Heat Detector from Wanlin Fire Control represents a strategic product opportunity for businesses participating in the global fire safety market. As a direct manufacturer, Wanlin offers capabilities that neither trading companies nor fire system brands can match: factory-direct pricing with full EN 54-5 certification across all temperature classes, the complete technology spectrum (from standalone battery-operated through 4G cellular to ATEX-certified) from one supplier, flexible OEM/ODM with white-label options, and a partnership model built on shared market success rather than channel competition.
Whether you are launching a heat detector product line, expanding an existing fire safety catalog, sourcing detection equipment for a code-compliance program, or exploring private-label manufacturing — Wanlin Fire Control has the certified products, production capacity, and partnership commitment to support your business objectives.
Contact our export team today to request evaluation samples and discuss volume pricing for your market.
Wanlin Fire Control — Your Direct Source Factory for Certified Heat Detectors. ISO9001:2015 Certified | EN 54-5:2017 / CE (CPR 305/2011) / FCC / RoHS Approved | Global Shipping & Export Documentation Support. Partner with the manufacturer — not a middleman. We welcome inquiries from distributors, importers, OEM partners, MEP contractors, government procurement, and project buyers worldwide.