Caldera Spas Heater Assembly Specifications: 4.0 kW output. 240 Volt. Size: 2" x 15". 2" x 1-1/2" tailpieces included. Pressure switch hole is on the same side as the thermowell grooves. Other part number for this heater: 46-371-1210.
Other part number for this heater: 46-371-1210.