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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
- Other
- Owl
- Pegler
- Potterton Myson
- Reliance Water Controls
- Salus
- SBK
- Scalemaster
- Seitron
- Sentinel
- Siemens (Landis & Staefa/Gyr)
- Sunvic (Satchwell)
- Thermowatt
- Tower
- Watts Electronics
Saturday Delivery Available Until 4pm Today
UK Mainland Only
Saturday Delivery Available Until 4pm Today
UK Mainland Only
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 ..
£45.86
Ex Tax: £38.22
Ex Tax: £38.22
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..
£51.60
Ex Tax: £43.00
Ex Tax: £43.00
* Removable replaceable head.
* 3 Port 28mm Mid-Position
* Replaceable Motor
* Wedge Type Actuato..
£93.62
Ex Tax: £78.02
Ex Tax: £78.02
* 22mm* De-mountable actuator (power head) * Replaceable motor * Wedge type actuator * Spring retur..
£44.57
Ex Tax: £37.14
Ex Tax: £37.14
* 28mm
* De-mountable actuator (power head)
* Replaceable motor
* Wedge type actuator
* Spring r..
£87.00
Ex Tax: £72.50
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
Ex Tax: £37.14
Replacement actuator for use with Siemens CZV228 motorised valves.
Also suitable for replacement of..
£77.42
Ex Tax: £64.52
Ex Tax: £64.52
Replacement Actuator for Siemens CMV322 or CMV328 motorised valves.
Also suitable for replacement..
£51.60
Ex Tax: £43.00
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
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
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
Ex Tax: £6.86
The RDH digital thermostat combines elegant design with easy-to-use functionality.
* Digital Room..
£54.59
Ex Tax: £45.49
Ex Tax: £45.49
The RDJ digital programmable thermostat combines elegant design with easy-to-use functionality.
*..
£45.01
Ex Tax: £37.51
Ex Tax: £37.51
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
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
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
Ex Tax: £45.80
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..
£28.61
Ex Tax: £23.84
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
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
Ex Tax: £51.99
NEW
Easy to install, gorgeous looks and market leading functionality. The new smart th..
£131.99
Ex Tax: £109.99
Ex Tax: £109.99
Showing 1 to 28 of 28 (1 Pages)
Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2443 merchant reviews
Advice given before part purchased. Swift delivery. Fair price
Quick and straight forward transaction
I've been dealing with Heating controls Online for a few years now. The prices have always been reasonable and the delivery times good, to my slightly remote location. The last delivery was exceptionally quick. I will be using them again.