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UK Mainland Only,
3pm cut-off for Highlands and Islands
12 noon for Europe


 

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


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Siemens RDJ100-RF Easy-to-Use Wireless Programmable Thermostat

Brand: Siemens (Landis & Staefa/Gyr)
HCO Code: 23E85
Price: £62.39
Ex VAT: £51.99
Stock: In Stock
Qty:  
   - OR -   
Q: Can I still use my RCR10/433 receiver with this updated version?

A: Yes you can.
Q: I currently have a wired programmer/stat controlling the heating on an older combi boiler. This is using 2 wires (230v) to switch the heating. I want to replace the wired programmer with a wireless receiver and have the programmer/stat portable. The existing stat is fixed near a new woodburner which when lit is holding the heating off. Can this unit be used for such and installation? Thanks

A: This needs a mains power connection at the receiver as well as the two control wires. So it would probably be easier to install the receiver near the boiler instead of in the place of the existing thermostat.
Q: Is this a simple / direct replacement for the RDJ10RF unit,

A: Yes it is.
Q: What temperature should I set the control dial at on the boiler for the heating or does the wireless thermostat override the boiler temperature setting

A: The boiler manuacturer will recommend a most efficient position for the boiler thermostat in many cases this will be maxiumum. The room thermostat will not effect it.
Q: Is this thermostat compliant with boiler plus regulations?

A: To comply with Boiler Plus you will need either a separate Flue Gas Heat Recovery or Weather Compensation control when using the RDJ100-RF.
Q: Can the thermostat control be portable or does it have to be fixed.

A: It comes with a table stand, so you don't have to wall mount it.
Q: Is the wiring in diagram same as the previous one?

A: Yes it is.
Q: Could you tell me what bonded ex factory means on the descripition means please

A: It means to do not have to teach the thermostat and receiver to talk to each other on installation. Siemens have already done this for you in the factory.

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New!

Replaces RDJ10-RF

​The RDJ100RF/SET, comprises of 1 RDJ100RF (transmitter) and 1 RCR100/433 (receiver), is
used to control the room temperature in heating (or cooling) systems.

Programmable, for heating (or cooling) systems

  • Operating modes: Automatic, Comfort, Energy Saving, and Frost Protection
  • Large LCD display
  • RDJ100RF, transmitter, battery powered
  • RCR100/433, receiver, mains powered
  • Communication of the set is bonded ex factory
  • Two-position controller with TPI (PID) response
  • Wall mount or table stand
  • Set point 5-30C
  • 8(3)A volt-free contacts
  • Receiver 104x84x32 mm HxWxD
  • Transmitter 120x90x26.9 mm HxWxD

The digital display shows the actual room temperature, the current ON / OFF time number and the symbol of the operating mode which is currently active. When the heating output is active, the triangle symbol appears.

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Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2564 merchant reviews

4.90 / 5 Rating
2564 Reviews
Great website. Very quick delivery. A very positive description.
Great product, great service. What more can I say.
My heating programmer went U/S AFTER 10 years, that replaced after original installed 36 years ago. My heating engineer tried his suppliers that it could not be obtained but took about 3weeks to tell him. Said would need latest programmer with additional wiring. Could be costly. My electrician man located correct replacement, Delivered to door in 48hrs. Job done same day. House warm again. EXCELLENT SERVICE. SUGGEST USE WITH CONFIDENCE