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HotSpring Spa 4KW PDR No-Fault Heater, no Pressure Switch

SKU: 73791

Sale price $563.64 Regular price $599.99

Shipping calculated at checkout.

This is the 4KW PDR heater, built without a pressure switch. Please note that if your spa was designed to use the heater with a pressure switch, you can still use this heater, but you will also have to apply a jumper on connector P34 on the IQ2020 main board.

This heater is designed for the following models:

Model Start SER# End SER#
SS, KK 1F1001 current
GG 3G1001 current