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Old 10-16-2010, 07:24 PM   #1
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Boiler and circulating pump help

I'm a new homeowner with no HVAC experience. I have a Bryant boiler (model 234C 5PW) with a Grundfos UPS 20-42 circulating pump attached. We turned on the boiler today (the gas had been turned off to our house for several months) and we're not sure what setting to put the pump on. It has a toggle switch, one setting marked with 2 hash marks and one marked with 3. Is this on/off? Is it speed 2 and speed 3? Which should it be on? If it's on/off, which setting is on?

Thanks so much in advance for any help you could provide.


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Old 10-16-2010, 09:27 PM   #2
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Leave it where it was.

It has no off setting on that switch.


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