HotSpring Spa 4KW PDR No-Fault Heater, no Pressure Switch HotSpring Sumatran N-181001 to N-489999 1998

Sumatran N-181001 to N-489999 1998 Sumatran N-1A1001 to N-4J9999 1999-2007 Siberian L-1B1001 to L-4F9999 2000-2004 Caspian CPN-1E1001 to CPN-4E9999 2003 Caspian CHP-1F1001 to CHP-4J9999 2004-2007

· Reduces the need for chlorine or other harsh chemicals when used as directed

Hot Spring Spas replacement pillow for 2014-current Hot Spring Highlife Spas

and pools which use a Caldera 75 filter

HotSpring Spa 4KW PDR No-Fault Heater, no Pressure Switch HotSpring Sumatran N-181001 to N-489999 1998This 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