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Heat-only boiler with programmer and wired thermostat - confused as to the best setup!

leon433
leon433 ✭
edited November 19 in General Questions & Topics

Hi, I've tried to do some reading but am getting a little confused as to the best set up for me. Can anyone please help?

I have a Baxi 600 heat-only boiler (+ hot water cylinder upstairs), which is connected to a Honeywell ST9400S programmer. There's a wired thermostat in the hallway, and I can control both the central heating and the hot water via the programmer. I've recently purchased the Wired Smart Thermostat Starter Kit V3+.

It seems the general consensus is if you have a wired thermostat to buy the Tado wired thermostat. However, I seem to be reading online that it cannot actually control the hot water, and I'll need the wireless thermostat wireless receiver for this.

My questions are:

1. If I install the Tado wired thermostat, how do I control the hot water? Do I need to keep the Honeywell programmer?

2. Is it awkward to install both the Tado wired thermostat and keep the programmer?

3. If I replace everything with the Tado wireless thermostat and receiver, does this replace the programmer entirely? Can I remove it? And I assume I just disable the old wired thermo?

4. What's the best set up - wired or wireless in this case?

Thanks very much in advance!

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Answers

  • hugbilly
    hugbilly ✭✭✭
    I would go for the wireless kit including wireless receiver with hot water control . . .
  • wateroakley
    wateroakley Volunteer Moderator

    hello @leon433 suggested answers …

    1. You’d have to keep the old programmer and look carefully at the wiring to get them to work together.
    2. You’d need to look carefully at the wiring.
    3. Yes, yes, yes.
    4. I’d suggest you go for the wireless starter kit and as many TRVs as you can afford.

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