Heater, Flo Thru, Cal Spa Heat Exchanger Retro-Fit w/ Box
Manufacturer part number:
Cal Spa XL Heat Exchanger Retrofit. Includes a wet element for better reliability.
2" x 15" with housing, 2 thermowell grooves and cover, 1/8"NPT pressure switch tap and 2" slip tailpieces.
Manufacturer: Cal Spas