Caldera Pressure Switch

Caldera Pressure switch is a genuine replacement part for Caldera Spas Vacanza models and for the Hot Spring HotSpot and Solana

Watkins OEM Part number 73995

The pressure switch is located within the heater barrel.

The switch is closed when the correct water flow is present over the heater element and the hot tub will heat to the set temperature.

When the switch is open, low flow condition, the heater is turned off to prevent the heater from activating until the low flow condition has been resolved.

Always check that your filter is clean and the water level is at the correct height before changing the pressure switch.

WARNING: The pressure switch is a safety device and should never be bypassed. Never attempt to calibrate or modify the pressure switch.