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Apollo Temperature and Pressure Relief Valve, 5,125,000 BtuH, 125 psi, 3 in Thermostat Length - 18C5513125

Marsoni M251S
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Apollo Temperature and Pressure Relief Valve, 5,125,000 BtuH, 125 psi, 3 in Thermostat Length - 18C5513125Temperature and Pressure Relief Valve; Inlet Type: MNPT; Outlet Type: FNPT; Inlet Size: 2 in; Outlet Size: 1 1 2 in; Thermostat Length: 3 in; Body Height: 11 7 16 in; BtuH: 5,125,000; Factory Set Pressure: 125 psi; Max. Temp.: 210 Degrees F; Shank Length: Standard; Auto Re Seating: Yes; Body Material: Bronze; Spring Material: Stainless Steel; Body Width: 2 1 2 in; Standards: Certified ANSI Z21. 22 And CSA 4. 4, Listed By ASME And CSA
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4.3 ★★★★★
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Verified Purchase
Kimmy
Lowell, US
★★★★★ 5
Effective
Size: 8" x 10" x 2"
Works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 19, 2025
J
Verified Purchase
Joseph Bod
West Palm Beach, US
★★★★★ 5
Fits 2021 Acura TLX
Size: 8" x 10" x 2"
Amazon garage and mfg website hadn't caught up, yet: this does fit the 2021 Acura TLX SH-AWD. No problems. New way of getting access -- pinch sides of glove box and drop off of hinge. Old way required removing an access panel.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 14, 2021
J
Verified Purchase
J
Waukegan, US
★★★★★ 5
Worth it.
Size: 8" x 10" x 2"
Super easy to install. The increased airflow is definitely noticeable.
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Reviewed in the United States on August 1, 2024
J
Verified Purchase
Jim Russell
Pawtucket, US
★★★★★ 5
Starter
Why did you pick this product vs others?: Good replacement. 
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Reviewed in the United States on June 20, 2025
W
Verified Purchase
william
Bozeman, US
★★★★★ 5
Starter works great
Fits and works great 2005 Mercury mariner 3.0
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Reviewed in the United States on August 29, 2025

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