Heat Alarms
Protect high-risk areas with WME's Heat Alarms & Detectors — AICO, Ajax and Nittan mains-powered (with battery backup), 10-year sealed-battery and RadioLINK wireless heat alarms, plus rate-of-rise and fixed-temperature heat detectors. Ideal for kitchens, garages and dusty spaces where smoke alarms cause false alarms.
Combine with Smoke Alarms & Detectors and Carbon Monoxide (CO) Detectors for full coverage, or wire into Fire Alarm Systems.
Shop trusted brands such as AICO, Ajax and Nittan at WME. For heat vs smoke, rate-of-rise and interlinking, visit our Help & Support blog.
Save £1.94
Addressable Rate-of-Rise Heat Detector EV-H-A1R, A1R 54°C, Evolution FSK
Photoelectric£ 26 14RRP: £28.08WME Pro Plan priceGet Pro Now£23.00 12% offFast delivery Tomorrow, 10 Jul
Save £6.36
Aico Ei144e Heat Alarm – Mains Powered with Battery Backup – SKU: Ei144e
£ 32 99RRP: £39.35WME Pro Plan priceGet Pro Now£29.03 12% off5 Years Warranty
Save £9.09
Aico Ei3014 Heat Alarm – High-Performance Thermistor Sensor – Ei3014, Ei3000MRF Compatible
£ 48 99RRP: £58.08WME Pro Plan priceGet Pro Now£43.11 12% off5 Years Warranty
Save £12.29
Aico Ei630iRF RadioLINK+ Battery Heat Alarm – 10-Year Lithium, AudioLINK+ – SKU: Ei630iRF
£ 64 99RRP: £77.28WME Pro Plan priceGet Pro Now£57.19 12% off5 Years Warranty
Save £7.67
Aico Ei660i Multi-Sensor Fire Alarm – Battery-Powered Optical & Heat Detection – SKU: Ei660i
£ 39 40RRP: £47.07WME Pro Plan priceGet Pro Now£34.67 12% off
Save £16.22
Aico Ei660iRF RadioLINK+ Multi-Sensor Fire Alarm – Optical & Heat – SKU: Ei660iRF
£ 85 99RRP: £102.21WME Pro Plan priceGet Pro Now£75.67 12% off5 Years Warranty
Save £6.39
EN54 Heat£ 85 81RRP: £92.20WME Pro Plan priceGet Pro Now£75.51 12% offFast delivery Tomorrow, 10 Jul
Save £7.02
Ajax EN54 FireProtect Heat+Sounder Jeweller, Wireless EN54 Heat Detector ITM006085
EN54£ 94 38RRP: £101.40WME Pro Plan priceGet Pro Now£83.05 12% off
Save £7.02
Ajax EN54 FireProtect Heat/Sounder Jeweller, Addressable Wireless Heat Detector, Black, ITM006084
EN54£ 94 38RRP: £101.40WME Pro Plan priceGet Pro Now£83.05 12% off
Save £6.69
Ajax FireProtect 2 AC Heat & CO Detector, Mains (110–240 V), Jeweller ITM004071
Heat+CO£ 89 89RRP: £96.58WME Pro Plan priceGet Pro Now£79.10 12% offFast delivery Tomorrow, 10 Jul
Save £1.05
C-TEC C4403A1R ActiV A1R Rate-of-Rise Heat Detector, 9–33 V, EN54-5
Reliable Safety£ 14 11RRP: £15.16WME Pro Plan priceGet Pro Now£12.42 12% offFast delivery Tomorrow, 10 Jul
Save £2.39
CA402 CAST Programmable Heat Detector, Addressable, EN54, ITM002023
LPCB Certified£ 32 10RRP: £34.49WME Pro Plan priceGet Pro Now£28.25 12% offFast delivery Tomorrow, 10 Jul
Save £0.94
C‑TEC ActiV C4403B Fixed‑Temperature Heat Detector, 75°C Class B, 2‑Wire, EN54‑5 C4403B
High Temp 75°C£ 12 58RRP: £13.52WME Pro Plan priceGet Pro Now£11.07 12% offFast delivery Tomorrow, 10 Jul
Save £5.75
Hikvision Wireless Ceiling Heat Detector, 57°C, AX Pro (DS-PDHT-E-WE)
10 Year BatteryFast delivery Tomorrow, 10 Jul
Save £4.94
Mains Heat Fire Detector Ajax FireProtect 2 AC (Heat) 110–240V 85dB 107289.173.WH1
Heat Alarm£ 66 43RRP: £71.37WME Pro Plan priceGet Pro Now£58.46 12% offFast delivery Tomorrow, 10 Jul
Save £1.12
Mercury: 350.130UK, Heat Alarm with Electronic Thermistor, 10 Year Battery
10 Year Life£ 15 10RRP: £16.22WME Pro Plan priceGet Pro Now£13.29 12% offFast delivery Tomorrow, 10 Jul
Save £2.24
Nittan EV-PH Addressable Multi‑Sensor Detector (Optical Smoke + 54°C A1R Heat), Evolution FSK
Dual Sensor Tech£ 30 13RRP: £32.37WME Pro Plan priceGet Pro Now£26.51 12% offFast delivery Tomorrow, 10 Jul
Save £6.74
Pyronix HEAT-WE Wireless Fixed-Temperature Heat Detector, 57°C, 2-Way Encrypted, CR123A, ITM001254
Alarm @57°C£ 90 62RRP: £97.36WME Pro Plan priceGet Pro Now£79.75 12% offFast delivery Tomorrow, 10 Jul
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Save £1.94
Addressable Rate-of-Rise Heat Detector EV-H-A1R, A1R 54°C, Evolution FSK
Photoelectric£ 26 14RRP: £28.08Fast delivery Tomorrow, 10 Jul -
Save £6.36
Aico Ei144e Heat Alarm – Mains Powered with Battery Backup – SKU: Ei144e
£ 32 99RRP: £39.355 Years Warranty -
Save £9.09
Aico Ei3014 Heat Alarm – High-Performance Thermistor Sensor – Ei3014, Ei3000MRF Compatible
£ 48 99RRP: £58.085 Years Warranty -
Save £12.29
Aico Ei630iRF RadioLINK+ Battery Heat Alarm – 10-Year Lithium, AudioLINK+ – SKU: Ei630iRF
£ 64 99RRP: £77.285 Years Warranty -
Save £7.67
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Save £16.22
Aico Ei660iRF RadioLINK+ Multi-Sensor Fire Alarm – Optical & Heat – SKU: Ei660iRF
£ 85 99RRP: £102.215 Years Warranty -
Save £6.39
EN54 Heat£ 85 81RRP: £92.20Fast delivery Tomorrow, 10 Jul
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Save £7.02
Ajax EN54 FireProtect Heat+Sounder Jeweller, Wireless EN54 Heat Detector ITM006085
EN54£ 94 38RRP: £101.40 -
Save £7.02
Ajax EN54 FireProtect Heat/Sounder Jeweller, Addressable Wireless Heat Detector, Black, ITM006084
EN54£ 94 38RRP: £101.40 -
Save £6.69
Ajax FireProtect 2 AC Heat & CO Detector, Mains (110–240 V), Jeweller ITM004071
Heat+CO£ 89 89RRP: £96.58Fast delivery Tomorrow, 10 Jul -
Save £1.05
C-TEC C4403A1R ActiV A1R Rate-of-Rise Heat Detector, 9–33 V, EN54-5
Reliable Safety£ 14 11RRP: £15.16Fast delivery Tomorrow, 10 Jul -
Save £2.39
CA402 CAST Programmable Heat Detector, Addressable, EN54, ITM002023
LPCB Certified£ 32 10RRP: £34.49Fast delivery Tomorrow, 10 Jul -
Save £0.94
C‑TEC ActiV C4403B Fixed‑Temperature Heat Detector, 75°C Class B, 2‑Wire, EN54‑5 C4403B
High Temp 75°C£ 12 58RRP: £13.52Fast delivery Tomorrow, 10 Jul -
Save £5.75
Hikvision Wireless Ceiling Heat Detector, 57°C, AX Pro (DS-PDHT-E-WE)
10 Year BatteryFast delivery Tomorrow, 10 Jul -
Save £4.94
Mains Heat Fire Detector Ajax FireProtect 2 AC (Heat) 110–240V 85dB 107289.173.WH1
Heat Alarm£ 66 43RRP: £71.37Fast delivery Tomorrow, 10 Jul -
Save £1.12
Mercury: 350.130UK, Heat Alarm with Electronic Thermistor, 10 Year Battery
10 Year Life£ 15 10RRP: £16.22Fast delivery Tomorrow, 10 Jul -
Save £2.24
Nittan EV-PH Addressable Multi‑Sensor Detector (Optical Smoke + 54°C A1R Heat), Evolution FSK
Dual Sensor Tech£ 30 13RRP: £32.37Fast delivery Tomorrow, 10 Jul -
Save £6.74
Pyronix HEAT-WE Wireless Fixed-Temperature Heat Detector, 57°C, 2-Way Encrypted, CR123A, ITM001254
Alarm @57°C£ 90 62RRP: £97.36Fast delivery Tomorrow, 10 Jul