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Replacement tube sheet/coil heat exchanger assembly (Sta-Rite 77707-0233) for Pentair MasterTemp 300NA/300LP and Sta-Rite Max-E-Therm 333 heaters built before 1/12/2009. It transfers heat as water passes through the tube bundle and seals to the header with the included O-ring kit. OEM direct-fit for pre-2009 units; models built on or after 1/12/2009 use a different exchanger.
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
US$40
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