Combustion Chamber, MasterTemp/Max-E-Therm, Metal Tub, 9 Bolt

Combustion Chamber, MasterTemp/Max-E-Therm, Metal Tub, 9 Bolt

Marsoni

M251S

$236.00

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

Combustion Chamber, MasterTemp/Max-E-Therm, Metal Tub, 9 BoltThis is a Combustion Chamber metal tub with 9 bolts, compatible with MasterTemp and Max E Therm heaters (part number 474957). It is designed for pool and spa heaters.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Don't let my 4-star review dissuade you, as I've had to reassess prior products that initially I thought were great but then failed me in the long term. These are definitely full and plush, you might want to avoid if you prefer slightly thinner support, especially if you are a side sleeper. But so far I find them comfortable and meeting all of my expectations.

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Reviewed in the United States on February 28, 2026