Baxi Solo HE Leaking

I had to look at a Baxi Solo HE which was leaking. I had been to look at this boiler for leaks in the past so was quite concerned  to be looking at it again. Before we looked after it there was signs that it had been leaking from the flowswitch. The rubber seal on the heat exchanger manifold also failed. Replacing the seal was not successful due to corrosion on the main heat exchanger which also had to be replaced as a consequence. There had also been a leak from the connection to the condensate trap where the overflow pipe connects. To solve this the nut was undone and slid back, as was the shaped rubber seal. Wrapping PTFE tape around this shaped rubber seal helps to seal this leak.

On this visit the leak was also coming from the area of the condense trap. Opening the case there was some water sitting in the bottom of the case. To reveal where the leak was coming from I poured water in through the flue outlet to simulate condensate production. The leak was coming from the condense trap, but could not be seen. I could not feel any dampness around the connection onto the bottom of the heat exchanger. I removed the trap and there was a tiny split in the condense trap on the rear corner.

I fitted a new condensate trap which stopped the leak.

Disclaimer: The works described in this blog are a record of work undertaken and should not be taken as guaranteed to solve your problem. Work should only be carried out by persons qualified and competent to do so.