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  1. M

    Venturi keeps melting

    I think you will soon be on first name terms with your local Baxi eng
  2. M

    Venturi keeps melting

    Got another CORGI engineer out last week. He had no clue what the exact problem causing the venturi to melt was either. On his advice i called a Baxi engineer out which cost me a fortune but looks to have fixed the problem. The Baxi engineer said he had seen the problem once a couple of...
  3. M

    Venturi keeps melting

    Well the venturi melted again this morning. I'm pretty sure it was dry firing that caused it as the water pressure was at 0. I'm not sure why it dropped after a week remaining at a steady level. I'll be calling the guys that fitted my boiler 4 years ago first thing Monday as they maybe have...
  4. M

    Venturi keeps melting

    Thanks everyone for all your comments and advice. This gives me a good list of things to have checked out should the venturi melt again. Here's hoping it doesn't
  5. M

    Venturi keeps melting

    My CORGI friend has just been round and changed the diaphragms and the micro-switch although the old micro-switch appeared to be fine. He also checked the venturi and the thermistor that i'd changed were properly fitted (the boiler has not been on since i changed them, i removed the main fuse)...
  6. M

    Venturi keeps melting

    I've seen a few old posts about this but i've not found any that mention the exact cause and solution. I've got a Baxi combi 80 eco that's going through venturis (melting them) at the rate of one every 3 weeks. My friend is a corgi registered engineer and even he's stumped by what the cause...
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