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Watts Bronze Safety Relief Valve, FNPT Inlet Type, FNPT Outlet Type - 1 1/4 174A-150

Marsoni M251S
Sale price$342.69
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Watts Bronze Safety Relief Valve, FNPT Inlet Type, FNPT Outlet Type - 1 1/4 174A-150Safety Relief Valve; Body Material: Bronze; Inlet Type: FNPT; Outlet Type: FNPT; Inlet Size: 1 1 4 in; Outlet Size: 1 1 4 in; Factory Set Pressure: 150 psi; Pressure Range: 30 to 150 psi; BtuH: 6,340,000; Disc Material: Silicone; Overall Height: 8 3 8 in; Application: For Pressure Protection of Hot Water Heating Boilers; Overall Length: 4 3 4 in; Seat Material: Bronze; Spring Material: Stainless Steel; Temp. Range: 0 Degrees to 250 Degrees F; Test
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4.1 ★★★★★
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Tracy K
Carnegie, US
★★★★★ 5
Top of the line high quality
Top of the line great filter
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
B
Verified Purchase
Brian J.
Chelsea, US
★★★★★ 4
Good fit works well, once I figured installation
Does not show air flow direction
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Reviewed in the United States on January 22, 2026
A
Verified Purchase
Amazon Customer
Alexandria, US
★★★★★ 5
Good product
Excellent product, fast delivery, good price. I would recommend this company.
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Reviewed in the United States on February 8, 2026
S
Verified Purchase
Stacey O.
Omaha, US
★★★★★ 5
Fits Honda clarity
Easy and correct fit for Honda clarity
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Reviewed in the United States on May 26, 2026
J
Verified Purchase
John Ball
Port Orchard, US
★★★★★ 5
Works Great
I bought this filter for a friend that smokes in the car. Helps reduce the smell a lot. Just make sure it is installed in the right direction.
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Reviewed in the United States on September 20, 2025

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