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Our Baxi Solo 3, last few months the relays have been clicking on/off constantly when it reaches temp but it was working. Today it isn't. Boiler Light ON, Fan Light comes ON, hear fan spin up then light goes out and cycle repeats. I had bought a recon PCB from fleabay when the solenoid issue...

Woke up to a fault with our Baxi Solo 3 40 PF not running. Boiler ON light lit but nothing else, pump is running. Did the reset and no change, left it off for 30min then switched back on. There was a loud chattering relay sound from the PCB and then it lit as normal. Shortly after I could hear...

Noticed the hot water cylinder making a boiling sound this evening. Only way to stop it was to turn off the wall mounted switch that has a wire connected to the top of the cylinder. If this is an immersion heater then is this a supplement to the gas boiler? Confused!! Apologies for my...

Ball valve is dripping and a replacement washer didn't cure the issue so time to change. It's a 1/2" Type2 but how do I know if it's high or low pressure? I ask after the fact as I took the old one off, went to B&Q and bought what looks like an identical replacement. It's all fitted and...

I've bought a Wireless Thermostat to replace the existing Sunvic dial type. I opted for a Sunvic TLX RFP as I thought the wiring would be simpler between different devices in the same manufacturers range but how wrong could I be. The manual is confusing and the printed terminal...

Hi all, first post and hoping you can help. We have a Sunvic Select CH timer and a separate Sunvic Thermostat. Recently the timer has started clicking, sounds like a relay, when either the hot water or heating is on. It still works but the clicking is constant. At first it only ocurred...