Caldera, Hot Springs, Tiger River 4kW No Fault Titanium Heater - 76228

• Aria AR 4H1001 to current 2006-current
• Envoy KK 1F1001 to current 2004-current
• Vista SS 1F1001 to current 2004-current
• Grandee GG 3G1001 to current 3rd qtr 2005-current

Caldera Spa models that use this heater

• Tahitian 2019-current
• Provence 2019-current
• Niagara 2019-current
• Geneva 2019-current
• Cantabria 2019-current
• Florence 2019-current
• Kauai 2019-current
• Makena 2019-current
• Reunion 2019-current
• Salina 2019-current
• Seychelles 2019-currrent

Hot Spring, Limelight, Tiger River models from 2003 to 2022

• Aria-AR 2007-2018
• Aria-NTX 2017-current
• Envoy-KK - 2004-2018
• Grandee-GG - 2005-2018
• Grandee NXT - 2014- current
• Vista - 2004-2013

• Caspian CHP 3G1001 to current 3rd qtr 2005-current

• Note: This heater has a built in pressure switch which plugs onto the IQ 2020 control box motherboard onto the P34 port. This heater is not backward compatible. This heater is a 4kW (4000 watt) 230 volt only

• Old part number 73039
• Laing 6758
• C3564-2
• HH-4000-NHCW-6758