DIY Doctor

Bleeding the CH Pump

Postby whelsy » Wed Nov 21, 2007 3:15 pm

When bleeding a Gundfoss pump (Chrome center screw) should the boiler be fired up and the pump running? The pump is fitted in the return pipe underneath a wall hung boiler.
The pump has two speeds which speed is the best to use??

Many Thanks for any advise.
Regards W
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Simply Build It

Postby marrtin » Wed Nov 21, 2007 3:42 pm

Doesn't really matter, but probably better with the pump on.
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