Secure Meters Horstmann H3747 4 Channel Programmable Room Thermostat Direct Replacement for H37XL and H47XL Bluetooth Programming with Smart WIFI Add-On Option App Controlled

Name: Secure Meters Horstmann H3747 4 Channel Programmable Room Thermostat Direct Replacement for H37XL and H47XL Bluetooth Programming with Smart WIFI...
Brand: LavaTap
Price: 167 GBP
Availability: InStock
Rating: 4.77 (3 reviews)

£167.00

Price verified on 19 August 2025

4.9

Verified by 3 real people. (*)

Easy replacement of the ChannelPlus range - Uses a standard 9-pin backplate for easier retrofits of H37XL and H47XL - Will also replace 425 Tiara, 425 Diadem, 425 Coronet, H17XL and H27XL

Combi or system boilers and heat pumps up to 2-zones - Central heating and hot water control
Programmable via the Secure Controls bluetooth installer app or the wireless display without a Wi-Fi connection
Smart control capability by Wi-Fi adaptor (Sold separately)
7 year no quibble warranty

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Secure Meters Horstmann H3747 4 Channel Programmable Room Thermostat Direct Replacement for H37XL and H47XL Bluetooth Programming with Smart WIFI Add-On Option App Controlled

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