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Categories
Manufacturers
- ACL Drayton (Invensys)
- Adey
- Antares
- Biworld
- Caleffi
- Campini Corel
- Cotherm
- Danfoss Randall
- Delta Dore
- Do Heating
- Emmeti
- EPH
- ESI
- Fernox
- Giacomini
- Grasslin
- Grundfos
- Herz Valves
- Honeywell
- Horstmann
- Ivar
- Neomitis
- Nest
- Optimum
- Other
- Owl
- Pegler
- Potterton Myson
- Reliance Water Controls
- Salus
- SBK
- Scalemaster
- Seitron
- Sentinel
- Siemens (Landis & Staefa/Gyr)
- Sunvic (Satchwell)
- Thermowatt
- Tower
- Watts Electronics
- Wilo
Express delivery for Tuesday Available Until 4pm Tomorrow
UK Mainland Only,
3pm cut-off for Highlands and Islands
1pm for Europe
Express delivery for Tuesday Available Until 4pm Tomorrow
UK Mainland Only,
3pm cut-off for Highlands and Islands
1pm for Europe
Siemens (Landis & Staefa/Gyr)
* Complete with new backplate * Daily 5/2 Day or 7 Day Programming
* Two or three ON/OFFs per day
..
£50.40
Ex Tax: £42.00
Ex Tax: £42.00
Traditional Daily Programmer
* Complete with new backplate
* Two ON/OFF periods per day
* 1 hour ..
£65.99
Ex Tax: £54.99
Ex Tax: £54.99
The RWB27 offers customers unique menu programming allowing settings to be made in a quick easy and ..
£47.99
Ex Tax: £39.99
Ex Tax: £39.99
22mm 3 Port valve body for use with DVA3 actuator only...
£13.99
Ex Tax: £11.66
Ex Tax: £11.66
* Removable replaceable head.
* 3 Port 22mm Mid-Position
* Replaceable Motor
* Wedge Type Actuato..
£62.40
Ex Tax: £52.00
Ex Tax: £52.00
* 22mm
* De-mountable actuator (power head)
* Replaceable motor
* Wedge type actuator
* Spring r..
£59.99
Ex Tax: £49.99
Ex Tax: £49.99
Replacement actuator for use with Siemens CZV222 motorised valves.
Can also be used on CZV228 valve..
£59.99
Ex Tax: £49.99
Ex Tax: £49.99
Replacement Actuator for Siemens CMV322 or CMV328 motorised valves.
Also suitable for replacement..
£62.40
Ex Tax: £52.00
Ex Tax: £52.00
The RAA21.. room thermostat has separate outputs for heating only and cooling only.
If the room tem..
£9.00
Ex Tax: £7.50
Ex Tax: £7.50
* Bi-Metallic
* 15C-90C
* 15A Contacts
* Ideal pipe thermostat up to 40mm
* SPDT contacts
* 24V..
£8.23
Ex Tax: £6.86
Ex Tax: £6.86
Replaces obsolete REV23-RF
The new REV24RF digital room thermostat from Siemens are designed for ..
£127.19
Ex Tax: £105.99
Ex Tax: £105.99
Large Backlit Display
Simple Operation
Service Interval Capable
Boost and Advance Buttons
..
£58.97
Ex Tax: £49.14
Ex Tax: £49.14
Replacement 24v actuator with adaptor for older valves.
Replaces:
STE71.1 (in NO position only)
..
£54.00
Ex Tax: £45.00
Ex Tax: £45.00
Siemens room thermostats ensure energy efficient operation and a comfortable room temperature.
Th..
From £43.19
Ex Tax: £35.99
Ex Tax: £35.99
The Siemens RDE-MZ6 is used with RDE100.1RF or RDD100.1RF room thermostats. It can be configue..
£131.99
Ex Tax: £109.99
Ex Tax: £109.99
Siemens room thermostats ensure energy efficient operation and a comfortable room temperature.
..
£44.09
Ex Tax: £36.74
Ex Tax: £36.74
New!
Replaces RDH10
Large LCD display
Set point 5-30C
5(2)A volt-free contacts
Dimen..
£23.81
Ex Tax: £19.84
Ex Tax: £19.84
New!
Replaces RDH10-RF
The RDH100RF/SET, comprises of 1 RDH100RF (transmitter) and 1 RCR100/4..
£60.48
Ex Tax: £50.40
Ex Tax: £50.40
New!
Replaces RDJ10-RF
The RDJ100RF/SET, comprises of 1 RDJ100RF (transmitter) and 1 RCR100/4..
£62.39
Ex Tax: £51.99
Ex Tax: £51.99
NEW
Easy to install, gorgeous looks and market leading functionality. The new smart th..
£143.99
Ex Tax: £119.99
Ex Tax: £119.99
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Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2739 merchant reviews
Great service very fast got exactly what I wanted .
Thank you very much I'll definitely be coming back.
Competitive price. Fast delivery. 2nd time returning customer.
We ordered a compatible central heating controller to replace ours which was over 20 years old. It arrived when promised and works perfectly.