The H3747 is a 4-channel smart programmer, which can control heat pumps, combi and system boilers, or even regular wired thermostats. Designed to supersede the Horstmann ChannelPlus range including the H37XL and H47XL by using the same wall plate with minimal wiring changes, whilst bringing connectivity features along the way.

Brand Name	Secure
Colour	N/A
Material	N/A
Manufacturer Model No	H3747
Wear Type	N/A
Type	Programmer
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Features and benefits	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
Product code	5065006823539