Watts Boiler Pressure Relief Valve, 3,795,000 BtuH, 150 psi - LF174A-150-1

Watts Boiler Pressure Relief Valve, 3,795,000 BtuH, 150 psi - LF174A-150-1"

Marsoni

M251S

$223.76

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

Watts Boiler Pressure Relief Valve, 3,795,000 BtuH, 150 psi - LF174A-150-1"Boiler Pressure Relief Valve; Inlet Type: FNPT; Outlet Type: FNPT; Inlet Size: 1 in; Outlet Size: 1 in; Body Height: 5 3 4 in; BtuH: 3,795,000; Factory Set Pressure: 150 psi; Max. Temp.: 250 Degrees F; Auto Re Seating: No; Body Material: Lead Free Copper Silicon Alloy; Spring Material: Stainless Steel; Body Width: 3 in; Standards: ASME, MIL V 18634B

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I haven't had a flat tire yet, so I also haven't had occasion to test these but they seem like great value for an extremely low price (especially versus a new tire.) I have handled them to try and gauge how quickly they'd smooth a hole, and they're rough / sharp and aggressive enough that I expect them to work quickly and well on not only tires, but on a variety of other materials. This pattern in particular should allow material to be shed and then passed backward pretty easily without clogging things up or slowing them down. If you've bothered to buy a patch kit for your tires, you really ought to have one of these around.

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Reviewed in the United States on January 18, 2026

Verified Purchase

Don

Grantham, US

★★★★★ 5

Thank you!

Size: 1/4-Inch - With Adapter

Thank you!

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Reviewed in the United States on April 27, 2023

Verified Purchase