Description
Aftermarket Replacement for Cal Spa XL Exchanger This heater assembly is not an exchanger but an in-line flow thru replacement. This heater assembly is designed as a drop-in replacement. 2″ x 15″s/s housing with 2″ slip tailpieces, dual thermowell grooves w/cover, 1/8″npt pressure switch tap, and metal box. Pressure switch not included
