Watts Boiler Pressure Relief Valve, 3,429,000 BtuH, 75 psi - LF174A-75-1-1/4

Watts Boiler Pressure Relief Valve, 3,429,000 BtuH, 75 psi - LF174A-75-1-1/4"

Marsoni

M251S

$378.20

Get it in 3 business days with 1 day shipping. Friday, May 29

Watts Boiler Pressure Relief Valve, 3,429,000 BtuH, 75 psi - LF174A-75-1-1/4"Boiler Pressure Relief Valve; Inlet Type: FNPT; Outlet Type: FNPT; Inlet Size: 1 1 4 in; Outlet Size: 1 1 4 in; Body Height: 8 3 8 in; BtuH: 3,429,000; Factory Set Pressure: 75 psi; Max. Temp.: 250 Degrees F; Auto Re Seating: No; Body Material: Lead Free Copper Silicon Alloy; Spring Material: Stainless Steel; Body Width: 4 3 4 in; Standards: ASME, MIL V 18634B

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Exact fit and cheaper than a trip to a repair shop. Make sure you have the proper gasket sealer, a good scrapper that's not going to dig into the sealing surface, and tools for the job. I went on my computer and downloaded a video that walked me through the process. I'm a mechanic by trade but wanted to ensure everything was correct. I've been running the motor now for a couple of months. Peeing just as it's supposed to. No more delivering, waiting, and retrieving my boat from the shop for its routine service. Just follow your owner's manual to make sure you do all the necessary maintenance.

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Reviewed in the United States on February 8, 2025

Verified Purchase

Chelsey R

Waukegan, US

★★★★★ 5

Great replacement

Size: For 5.5HP 6HP 7.5HP

Works as it should. Easy to swap out.

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Reviewed in the United States on August 12, 2025

Verified Purchase