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460748 Pentair MasterTemp & Max-E-Therm 250 Heater Manifold Kit

Marsoni M251S
Sale price$285.00
Pay 4 payments of $71.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
460748 Pentair MasterTemp & Max-E-Therm 250 Heater Manifold KitMounted directly to the combustion chamber wall, this manifold assembly functions as the central junction point for all water inlet and outlet connections. It integrates several vital operational components within a single unit, including the thermal regulator, internal bypass valve, psi switch, ags switch, hi limit switch, thermistor, and psi relief valve. Key Benefits Central Water Distribution Point: Provides a unified connection point for both
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.4 ★★★★★
Based on 2008 reviews
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Verified Purchase
JayJay
Draper, US
★★★★★ 5
Works for us!
We use this regularly in my car. Seems to help keep sensors clear. My engine light comes on if I don’t add. We add it to gas tank. My husband says it’s because of poor quality (dirty) gas from other countries.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
J
Verified Purchase
Jeff Pesos
Port Orchard, US
★★★★★ 4
Works like a supplement
If you use it and see a difference, you will blame it on this cleaner, if not, you will say the product does not work. Exactly like your weight loss supplements! Who knows what this stuff does, but it may do something. Or maybe it does not.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
M
Verified Purchase
Michael Sliwinski
Louisville, US
★★★★★ 5
Used to clean an O2 sensor
Seems to have resolved an issue with a wavering idle for my 89 Mercedes 300e with 468,000 miles.
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Reviewed in the United States on March 27, 2026
M
Verified Purchase
Marvin Burton
Dallas, US
★★★★★ 3
Nothing
Didn’t work for me
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Reviewed in the United States on May 26, 2026
M
Verified Purchase
mechanic
Whiting, US
★★★★★ 1
It doesn’t work
This don’t work at all. I do not recommend. I use all four containers, and the light is still on.
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Reviewed in the United States on May 20, 2026

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