Best Horstmann H37xl Channelplus Deals Online in the UK (20 Deals Found)

Last Updated - 02/05/2026 Sort By:

Best Choice
Hanicks

New
Horstmann/Secure H3747 4 Channel Wireless Smart WiFi App Phone Programmable Room Thermostat (Replaces H37XL & H47XL) - H
4 channels, 3A rated, volts free operation

£150.00
Hanicks

New
Horstmann H37XL (Obsolete) Replacement Compatible Programmer Hanicks Timeguard TRT038N Three Channel Heating & Hot Water
Horstmann H37XL (Obsolete) Replacement Compatible Programmer Hanicks Timeguard TRT038N Three Channel Heating & Hot Water

£150.00
Used
Horstmann Channelplus H37XL Series 2 Electronic Programmer 3 Channel
Good used working condition

£187.90
Best Value
LavaTap

New
Secure Meters Horstmann H3747 4 Channel Programmable Room Thermostat Direct Replacement for H37XL and H47XL Bluetooth Pr
Easy replacement of the ChannelPlus range - Uses a standard 9-pin backplate for easier retrofits of H37XL and H47XL - Wi

£189.99
New
Horstmann Channelplus Secure H37XL Series 2 Electronic Programmer 3 Channel
The device is made of durable plastic in a sleek white design, suitable for wall mounting.

£299.99
LavaTap

Used
Secure Meters Horstmann H3747 4 Channel Programmable Room Thermostat Direct Replacement for H37XL and H47XL Bluetooth Pr
Easy replacement of the ChannelPlus range - Uses a standard 9-pin backplate for easier retrofits of H37XL and H47XL - Wi

£180.49
Horstmann

New
Horstmann ChannelPlus H27XL Two Channel 7-Day Programmer – NU0573027000, Central Heating & Hot Water Timer Control (Whit
Official Horstmann ChannelPlus – Genuine H27XL 7-day, 2-channel programmer (part no. NU0573027000) for heating & hot wat

£300.00
New
Horstmann Channelplus H37XL 3 Channel Programmer
Advance and boost on each channel. 3 channels. Our Carriers.

£389.99
Horstmann

New
Horstmann Heating Control Programmers H3747
3 Amp rated

£266.11
Used
Horstmann Secure H37XL 3 Channel ** SEND YOUR PROGRAMMER FOR EXCHANGE **
There is no need to send the backplate so it can be left connected.

£149.00
Horstmann

Used
Horstmann Heating Control Programmers H3747
3 Amp rated

£113.68
Horstmann

New
Horstmann CHANNELPLUS H17XL Series 2 Single Channel 7 Day Electronic Heating Programmer
Brand: Horstmann

£160.00
Used
Horstmann H37XL Programmer Repair Service “POTENTIALLY HEATING BACK ON TOMORROW”
Need your heating back on tomorrow?. (as shown in the picture).

£159.00
Horstmann

New
Horstmann NU0573017000 White ChannelPlus H17XL Single Channel Time
Horstmann NU0573017000 White ChannelPlus H17XL Single Channel Time Switch with 7-Day Programming

£160.00
Used
Horstmann Secure H37 XL Series 1 ** SEND YOUR FAULTY PROGRAMMER FOR EXCHANGE **

£149.00
Horstmann

New
Horstmann NU0573017000 White ChannelPlus H17XL Single Channel Time
Horstmann NU0573017000 White ChannelPlus H17XL Single Channel Time Switch with 7-Day Programming

£160.00
New
Horstmann Channelplus H37XL 3 Channel Programmer
The Horstmann Channelplus H37XL 3 Channel Programmer is a white rectangular programmable thermostat with online voltage

£399.99
Used
Horstmann Secure H37XL 3 Channel Heating Programmer *£25 CASHBACK FOR OLD UNIT*
We aim to process your order as quickly as possible.

£285.00
Used
Horstmann Alpha H37 Series 1 ** SEND YOUR FAULTY PROGRAMMER FOR EXCHANGE **
There is no need to send the backplate so it can be left connected.

£139.00
New
Horstmann Secure H37XL 3 Channel Heating Programmer *£25 CASHBACK FOR OLD UNIT*
We aim to process your order as quickly as possible. Ref 02CR1125.

£395.00

20 Horstmann H37xl Channelplus deals are available from: Amazon, eBay stores, starting from £113.68.
The biggest discount we found is 10%% on Horstmann/Secure H3747 4 Channel Wireless Smart WiFi App Phone Programmable Room Thermostat (Replaces H37XL & H47XL) - Hanicks at Amazon.
The lowest price we found is £113.68 while the highest is £399.99.
Prices for the best Horstmann H37xl Channelplus deals average at £219.21.
Last updated on May 2, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Horstmann H37xl Channelplus.