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Is $850 to replace two check valves a fair price?

Project Details

I have a tankless Ranai water heater with a recirculating loop for a heating system. We're experiencing trouble getting water flow through the heating system. The plumbing company believes it's related to a malfunctioning check valve. I was quoted $850 to replace two check valves, which seemed extremely expensive to me, especially since I couldn't find a single check valve for more than $50. I'm questioning if the check valves are truly the issue or if it's more likely the pump. The current pump is a Taco 007, but I've read it might need a 009 for higher head pressure with a tankless system. The pump was just replaced, but it made no difference.

Quote Details

Replacement of two check valves for a tankless water heater's recirculating heating system loop. - Valve Type: Standard check valves - Size: 3/4 inch - Material: Copper - Fittings: Pro press fittings

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More Details

Category

Plumbing

Price

$850

Quote Date

February 2, 2026

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