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Express delivery for Friday Available Until 4pm Today
UK Mainland Only,
3pm cut-off for Highlands and Islands
12 noon for Europe


 

 

 

 

Express delivery for Friday Available Until 4pm Today
UK Mainland Only,
3pm cut-off for Highlands and Islands
12 noon for Europe


Siemens (Landis & Staefa/Gyr)

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* 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
Based on 1 reviews.
Traditional Daily Programmer * Complete with new backplate * Two ON/OFF periods per day * 1 hour ..
£65.99
Ex Tax: £54.99
The RWB27 offers customers unique menu programming allowing settings to be made in a quick easy and ..
£45.86
Ex Tax: £38.22
22mm 3 Port valve body for use with DVA3 actuator only...
£13.99
Ex Tax: £11.66
* Removable replaceable head. * 3 Port 22mm Mid-Position * Replaceable Motor * Wedge Type Actuato..
£51.60
Ex Tax: £43.00
* Removable replaceable head. * 3 Port 28mm Mid-Position * Replaceable Motor * Wedge Type Actuato..
£93.62
Ex Tax: £78.02
* 22mm* De-mountable actuator (power head) * Replaceable motor * Wedge type actuator * Spring retur..
£44.57
Ex Tax: £37.14
Based on 1 reviews.
* 28mm * De-mountable actuator (power head) * Replaceable motor * Wedge type actuator * Spring r..
£87.00
Ex Tax: £72.50
Replacement actuator for use with Siemens CZV222 motorised valves. Can also be used on CZV228 valve..
£44.57
Ex Tax: £37.14
Replacement actuator for use with Siemens CZV228 motorised valves. Also suitable for replacement of..
£77.42
Ex Tax: £64.52
Replacement Actuator for Siemens CMV322 or CMV328 motorised valves. Also suitable for replacement..
£51.60
Ex Tax: £43.00
Contains: 1 x CMV322 22mm 3-Port Motorised Valve 1 x RAA20 Room Thermostat 1 x RAM1 Cylinder/Pipe..
£86.71
Ex Tax: £72.26
The RAA21.. room thermostat has separate outputs for heating only and cooling only. If the room tem..
£12.23
Ex Tax: £10.19
* Bi-Metallic * 15C-90C * 15A Contacts * Ideal pipe thermostat up to 40mm * SPDT contacts * 24V..
£8.23
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
Based on 4 reviews.
Large Backlit Display Simple Operation Service Interval Capable Boost and Advance Buttons ..
£58.97
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
2 x CZV222 22mm Zone Valves 1 x RWB29 Programmer 1 x RAM1 Cylinder Thermostat 1 x RAA20 Room Ther..
£108.73
Ex Tax: £90.61
Invoative design from Siemens.  The RAK-TR.1000B-H can be used in almost any situation. ..
£54.96
Ex Tax: £45.80
Siemens room thermostats ensure energy efficient operation and a comfortable room temperature. Th..
From £43.19
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
Siemens room thermostats ensure energy efficient operation and a comfortable room temperature. ..
£44.09
Ex Tax: £36.74
New! Replaces RDH10 Large LCD display Set point 5-30C 5(2)A volt-free contacts Dimen..
£28.61
Ex Tax: £23.84
New! Replaces RDH10-RF ​The RDH100RF/SET, comprises of 1 RDH100RF (transmitter) and 1 RCR100/4..
£50.40
Ex Tax: £42.00
New! Replaces RDJ10-RF ​The RDJ100RF/SET, comprises of 1 RDJ100RF (transmitter) and 1 RCR100/4..
£62.39
Ex Tax: £51.99
NEW Easy to install, gorgeous looks and market leading functionality.  The new smart th..
£131.99
Ex Tax: £109.99
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Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2484 merchant reviews

4.90 / 5 Rating
2484 Reviews
It was easy to find the part I required on the web site and it was delivered promptly after the order was placed. The service was excellent.
Very good service, fast delivery.
Bought an actuator and it was delivered as stated on time. Unit went faulty and was returned with no issues and another replacement sent out. I cannot praise Heating Controls Online enough, for their service, and would recommend anyone to do business with them without a second thought.