Apollo Bronze POP Safety Relief Valve, MNPT Inlet Type, FNPT Outlet Type - 511HGBKMAA0200

Apollo Bronze POP Safety Relief Valve, MNPT Inlet Type, FNPT Outlet Type - 511HGBKMAA0200

Marsoni

M251S

$366.17

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

Apollo Bronze POP Safety Relief Valve, MNPT Inlet Type, FNPT Outlet Type - 511HGBKMAA0200This safety relief valve features a full nozzle design, and can be used in closed systems. It also features metal to metal seating and is ideal for pressure vessels and pressure piping systems. Valves are factory preset and sealed to prevent tampering. Not adjustable.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Picked up this 40-piece set to replace missing/broken push-type retainers on my bumper/fender liner area. The assortment is a solid value—having extras on hand is way cheaper than buying a few at a time locally. The clips I used snapped in securely and held the panel tight without rattles. Tip: match the old clip’s size before installing (hole diameter + stem length). I tested a couple first to confirm fit and then finished the job. For basic trim/under-cover repairs, this is an easy, cost-effective kit to keep in the garage.

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Reviewed in the United States on January 25, 2026