Universal Replacement 4.0 KW heater for the 73994 Caldera / Watkins flo-thru heater. Commonly found on the Caldera Highland, Vacanza and Oasis Models. If your spa is a 110/115 V then this heater will run at the lower 1.0 KW rating.
73994HS Features:
Please Note: Pressure Switches are not included with this assembly.
73994HS Features:
- 4.0 KW (4000 Watts)
- 2" Unions
- 15" Length
- Includes union gaskets, pigtail wires and tailpieces
Please Note: Pressure Switches are not included with this assembly.