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I have a Weil McClain boiler with three zones. Two of the zones…

Customer Question

I have a Weil McClain...

I have a Weil McClain boiler with three zones. Two of the zones are operating normally. The third zone has no heat. There is one pressure gauge that reads zero, while the temp reads 70. Of the three pipes coming from the boiler, the two that are working feel warm, and if I open the release valve (looks like an outdoor faucet) hot water comes out. The third one has no water. Help!

Submitted: 10 years ago.Category: Plumbing

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Answered in 1 hour by:

1/30/2010

Plumber: Patrick, General Contractor replied 10 years ago

Patrick, General Contractor

Category: Plumbing

Satisfied Customers: 3,380

Experience: 30 years commercial construction and 23 years house remodeling projects

Verified

If you have three zones, that would indicate you have three zone valves. It sounds like two zone valves are functioning correctly and one is not. I suggest you locate that zone valve and replace it. It appears that it is not operating according to the control signal. It sounds like it is in the shut position. If you can manually open it you will most likely get flow. Good luck. If this has proved helpful, please remember to hit ACCEPT, otherwise I do not receive credit. Thank you.

Customer reply replied 10 years ago

While I was waiting for an answer, I did a google search and found a manual for my boiler. I bled the system, checked the connections to the circulators, and it is functioning. Thanks.

Plumber: Patrick, General Contractor replied 10 years ago

Good deal. Was there air in the zone not working or was the zone connection loose?

Customer reply replied 10 years ago

Both

Plumber: Patrick, General Contractor replied 10 years ago

Thanks. Easy fix.

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