Heater (7)

J-300 Series (2016+) North America 60Hz Models6500-412, Heater LED Models 240V/5.5kW (All J-385, J-375, J-365, J-355, J-345, J-335 Models 6500-420, Heater LED Models: 120V/1kW or 240V/4kW (All J-325, J-315 models) Export 50Hz Models 6500-405 Heater: 230V/2.7kW (2016+ J-315/J-325 Models)   J-300 Series (2002-2015) 6500-403, Heater: LCD Models 240V/5.5kW (except 2002-2015 J-310/J-315 & 2004 J-325) 6500-063, Heater: 120V/1kW or 240V/4kW (for J3-10/J-315/J-325 convertible models) 6540-034, Adapter: MPT 1/8” x 3/8” Barb, 316SS (J-310/J-325 Freeze Line) 

J-400 Series (09/2015+) North America 60Hz Models6500-843, Heater: Plastic 240V/5.5kW JHT Export 50Hz Models6500-844 Heater: Plastic 230V/2.7kW JHT J-400 Series (2010-08/2015) 6500-417 Heater: North America 60Hz, 240V/5.5kW Hi-Flow, DSMT (Nuts and Gaskets Included) J-400 Series (2010-08/2015) 6000-176, Nut (2 Required Per Heater)

J-200 Series All North America 60Hz Models without Circulation Pumps6500-412, Heater LED Models 240V/5.5kW (All J-385, J-375, J-365, J-355, J-345, J-335 Models.Heater 240V/5.5kW for 2013-2017 J-200 Models w/o Circ. Pumps (Nuts And Gaskets Included) 6500-005, Heater: 120V/1kW or 240V/4kW, 15” for 2018+ J-210, J-215, J-225 Convertible Models (Nuts And Gaskets Included) 6000-338, Heater: 120V/1kW or 240V/4kW, 15”, for 2005-2017 J-210, J-215, J-225 Models (Nuts And Gaskets Included)

J-LX & J-LXL Series (2011-2019) North America 60Hz Models6500-402, Heater: LED Models 240V/5.5kWv Export 50Hz Models6500-401, Heater: 230V/2.7kW

Note: Not all hi-limit sensors may be in stock and delivery times may be delayed. Hi-limit sensors are non-refundable/non-returnable.   Use the chart below to determine which hi-limit sensors are compatible with your hot tub. Please note: all hi-limit sensors except 6600-168 are used for LED top-side controllers. If your J-300 series has an LCD controller, do not use an LED hi-limit sensor. Please contact or chat with us if you are unsure.  6600-140, Sensor: Hi-limit LED Series with Connector; Includes Curled Finger Contacts (32" cable) 6600-144, Sensor: Hi-limit LED Series without Connector; Includes Curled Finger Connectors (32" Cable) 6472-525, Harness: Hi-Limit LX 2-Pin (32" Cable)  6600-179, Sensor: Hi-limit J-400 Series (DSMT Connector for J-1000) (37" Cable) 6600-110, Sensor: Hi-limit with Box End Connectors (90" Cable) 6600-129, Sensor: Hi-limit J-300/J-200 LED with Curled Finger Connectors 6600-168, Sensor: Hi-limit J-300/J-400 LCD with Box End Connectors   6600-140 6600-144* 6472-525 6600-179 6600-110 6600-129** 6600-168 (LCD) J-LX/J-LXL 2011+ 2011+ J-500 Series (all) 2015+ J-400 Series (all) Sept 2015+ 2010-Aug 2015 2006-2009 2006-2009 LCD J-300 Series (all) 2016+ 2002+ LCD J-310 2002-2003 2002-2003 J-315 2013-2016 2004-2017 2004-2015 J-320 2002-2003 J-325 2013-2016 2004-2017 2004 & 2008 & 2012-2015 J-330 2002-2003 J-335 2013-2016 2004-2017 J-340 2002-2003 J-345 2013-2016 2004-2017 J-350 2002-2003 2002-2003 J-355 2013-2016 2007-2017 2004-2006 2004-2006 J-360 2002-2003 2002-2003 J-365 2013-2016 2007-2017 2004-2006 2004-2006 J-370 2002-2003 2002-2003 J-375 2013-2016 2007-2017 2004-2006 2004-2006 J-380 2002-2003 2002-2003 J-385 2004-2006 2004-2006 J-200 Series (all) 2018+ J-210 2012-2017 2005-2017 J-220 2005-2017 J-230 2012-2017 2005-2017 J-235 2012-2017 2012-2017 J-245 2012-2017 2012-2017 J-270 2012-2017 2007-2017 J-275 2012-2017 2012-2017 J-280 2012-2017 2007-2017 J-100 Series (all) 2012-2017 2018+ Del Sol All   *Can use 6600-140**Can use 6600-144

Please note: Some parts may not be stocked at time of ordering and may result in shipping delays.   1-HQ48-9121-7S-K, Arctic spa heater 2005+ 1-HQ48-9121, Heater Manifold Replaces: 1-THP2550-5350, A2550-5350ET, A2550-5300ET 5.5 kWatt 240V 60Hz 90 degree in 48" cord 2" x 12"

J-500 Series (2015+) North America 60Hz Models6500-843, Heater: Plastic 240V/5.5kW JHT Export 50Hz Models6500-844 Heater: Plastic 230V/2.7kW JHT