Sensors Circuit Board
Hot tub circuit boards are the brain of your spa's control system. Our selection includes replacement boards compatible with Balboa, Gecko, Hydro-Quip, and other major control systems. A failed circuit board often causes erratic behavior, error codes, or complete spa shutdown. We offer competitive international shipping rates to buyers worldwide.
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NLA - Jacuzzi Spa Hot Tub Heater M7 Sensor Replacement Temp & Hi Limit 31"
HTPOFAmerica
MSRP: $94.99$79.99THIS SENSOR WAS DISCONTINUED BY THE MANUFACTURER WITH NO REPLACEMENTS. WE HAVE RETROFIT OPTIONS AVAILABLE. PLEASE CALL FOR ASSISTANCE. This part is a Standard Balboa Heater M7 Sensor with aMSRP: $94.99$79.99Qty in Cart: 0Quantity:Price:MSRP: $94.99$79.99Subtotal: -
Waterway NEO 2100 Hi Limit Sensor for 10kW ETS Spa Control - 2 Pin Connector
HTPOFAmerica
MSRP: $34.99$24.99High-limit temperature sensor designed for Waterway NEO 2100 ETS spa control systems.CategoryMSRP: $34.99$24.99 -
Waterway NEO 2100 ETS Temperature Sensor - 10kW Spa Control
HTPOFAmerica
MSRP: $49.99$39.99Electronic Thermal Sensing (ETS) Temperature Sensor designed for Waterway NEO 2100 spa control systems.Utilizing dual ETS sensor technology comparable to Balboa's M7 system, the NEO 2100 employs two...MSRP: $49.99$39.99 -
Balboa Gray Thru-Wall Temperature Sensor Mount 3/8" Bulb with Rubber Grommet - Universal Spa Thermowell
HTPOFAmerica
MSRP: $41.99$36.99Universal GRAY Temperature Sensor Thermowell Mount by Balboa designed for 3/8" sensor bulbs. Compatible with temperature sensors from Balboa, Gecko, Hydro Quip, and other manufacturers. Features...MSRP: $41.99$36.99 -
ACC SmartTouch Dual Temperature & Hi-Limit Sensor - 1/4" Bulb, 2-pin Double Connector
HTPOFAmerica
MSRP: $159.99$129.99This dual-function Temperature and Hi-Limit Sensor is engineered for ACC SmartTouch spa control systems. The sensor features a 1/4" diameter sensing bulb and comes equipped with two separate 2-pin...MSRP: $159.99$129.99 -
ACC Temperature Hi-Limit Sensor 20" Cable 1/4" Bulb 2-Pin Connector
HTPOFAmerica
MSRP: $89.99$59.99This dual-function Temperature and Hi-Limit Sensor is designed for ACC spa control systems. It features a 20" cable length with a 1/4" diameter sensing bulb and utilizes a 2-pin connector for easy...MSRP: $89.99$59.99 -
Watkins Sensor Adapter Kit - New to Old Style Conversion - IQ2000 No-Fault Heaters 1995-2002
HTPOFAmerica
MSRP: $39.99$29.99Conversion adapter kit designed to connect new-style sensor sets with older IQ2000 control systems on Watkins No-Fault 4000 and 6000 heaters.This adapter solution bridges the gap between updated...MSRP: $39.99$29.99 -
96" Hi Limit Sensor Box End - Sundance Jacuzzi J-Series 400 600 600-S 750 800 850 880
HTPOFAmerica
MSRP: $89.99$72.99This high-temperature limit sensor features a 96 inch wire length with box-style terminal connectors, designed for reliable spa safety monitoring.Compatible with select Jacuzzi Premium Hot Tubs and...MSRP: $89.99$72.99 -
22" Box End Hi Limit Sensor for Sundance & Jacuzzi 400/600/750/800/850/880 Series Spas
HTPOFAmerica
MSRP: $108.99$85.99This replacement component is a 22" hi limit temperature sensor featuring box-style terminal connectors designed for precise thermal protection in your spa system.Compatible with select Jacuzzi...MSRP: $108.99$85.99 -
Cal Spa M7 Foam Temperature Sensor for 7000/9000 Heater - Hi Limit Replacement 12 Inch
HTPOFAmerica
MSRP: $94.99$64.99This genuine replacement foam-style temperature sensor for Cal Spa M7 heater systems fits 7000 and 9000 series hot tubs. The assembly includes the sensor element, attached wiring, and connector...MSRP: $94.99$64.99 -
Sundance & Jacuzzi High Limit Switch 22" Small Bulb Box Connector for 400/600/750/95+ Bypass Heaters
HTPOFAmerica
MSRP: $108.99$85.99This high temperature limit switch is designed specifically for Sundance and Jacuzzi spa models featuring the compact bulb design. Compatible with 400, 600, 600-S, 750, and 95+ series equipped with...MSRP: $108.99$85.99 -
Watkins No-Fault Heater Sensor Kit - Hi-Limit & Temperature w/ O-Rings - 2002+ Hotspring Caldera
HTPOFAmerica
MSRP: $109.99$79.99Complete replacement sensor assembly designed for Watkins No-Fault 4000 and 6000 heating systems.Kit Contents: Hi-Limit Safety Sensor, Temperature Monitoring Sensor, plus (2) rubber O-Ring seals...MSRP: $109.99$79.99