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Question DetailsAsked on 10/23/2013

How much should it cost to replace the circulator pump on a hydronic heating system.

I have an American Standard Hydronic Hot water baseboard heating unit. I need to have the Bell n Gossett series 100 circulator pump replaced. Someone quoted me 1,100 dollars even though the job looks like it should cost way less. just me uneducated opinion.

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1 Answer


That pump costs about $150-300 depending on where you buy it, assuming both the circulator and the motor need replacing - they can easily be replaced in pieces or as a single unit depending on age - about $100-150 each as pieces. It is also likely, depending on mating up configuration, that a $100-150 Taco pump, which is water rather than oil lubricated so tends to last a lot longer, will fit. Mine made it exactly 30 years before I changed it out as a preventative measure because it was running a little noisy.

Installation, unless you are in a really tight spot or the connecting pipes are in real bad shape and need replacing too, should take about an hour - so about $100-250 labor depending on need to replace adjacent pipes, plus maybe $25 misc parts. So, I would say about $200-550 would be the expected extreme price range, depending on make used and whether entire assemply or just the motor or just the circulator needs replacing. $1100 sounds like a ripoff, or a very large city price where the unions control the trades.

I would Search the List (in green banner bar) for highly rated and reviewed local Plumbers, and get at least one more bid.

Answered 6 years ago by LCD

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