Cal Spa 5.5 KW XL Heat Exchanger Replacement, M7

Product Description

Universal drop in replacement for the discontinued Cal Spa XL Heater Assembly. Uses an internal “wet” element where many originals used an external element. This version of the XL Heater is for use with spas that utilize the stick on foam M7 sensors found on the right and left of the heater just before the unions. Includes insulation wrap but no longer includes teh metal box that surrounds it. In Most cases the original box can be reused.

Please Note: This version of the Cal Spa XL Heater does not use a pressure switch, it uses the M7 style stick on sensor.