Electronic Control Systems and Parts
Our digital control system parts cover everything from circuit boards and topside controls to sensors, transformers, and wiring components for hot tubs and spas. Compatible with all major control brands including Balboa, Gecko, Hydro-Quip, and more. We offer competitive international shipping rates to buyers worldwide.
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HydroQuip Temperature Sensor 10ft 3/8" Probe 4-Pin Post 5/03 Replaces 3-Wire Models
HTPOFAmerica
MSRP: $61.99$49.99HydroQuip Temperature Sensor Component - Compatible with 6200, 6220, 6230, 6330, 7500, 9700 control system models.Applications Include: SSPA-SC-CF/MSPA-MP LINEDirect Replacement Alternative For:AI #5-60-6021 / MFG #9920-400723AI #5-60-6066 / MFG...MSRP: $61.99$49.99 -
15A Rainproof Cord-Mounted GFCI 115v SPST 15ft Cable Plug and Play Hot Tub Safety
HTPOFAmerica
MSRP: $184.99$124.99Rainproof Cord-End Ground Fault Circuit Interrupter (15 Amperage)Weather-resistant power cord GFCI featuring 14-3 gauge SJTW cable extending 15 feet in lengthCircuit Protection Type: Power Cord GFCIInstallation Method: Cord MountAmperage Rating:...MSRP: $184.99$124.99 -
Leviton 15A SPST Right Angle GFCI Plug for Spa Safety
Leviton
MSRP: $95.69$74.42Leviton Right Angle GFCI Plug - 15A SPSTSafety plug engineered specifically for spa applications with space-saving right angle design that positions cords flush to walls. Delivers comprehensive ground fault protection plus open neutral safeguarding for...MSRP: $95.69$74.42 -
Harwil Q12DS Flow Sensor 1/2"mpt 2 Amp - Spa Replacement Switch
Harwil
MSRP: $121.69$94.64Harwil Q12DS 1/2" NPT Flow Sensor for SpasThis 2 amp pilot duty flow sensor activates at 10 gpm flow rate and deactivates at 8 gpm. Features durable ABS construction with stainless steel spring arm for reliable operation.Complete kit contains:...MSRP: $121.69$94.64 -
AMP Male Plug 4-Wire Pump Cord - 2 Speed, 14 Gauge, 31 Inch - Red/Black/White/Green
HTPOFAmerica
MSRP: $29.99$19.99This 31 inch AMP-style male plug power cord is specifically designed for dual-speed spa pumps. Built with 14 gauge wire for reliable performance, this 4-wire configuration provides the necessary connections for operating your hot tub pump at both high...MSRP: $29.99$19.99 -
Box End Temperature Sensor - Sundance 800/400/600/750 Series & Jacuzzi Premium J-Series Hot Tub
HTPOFAmerica
MSRP: $99.99$79.99Box End Style Temperature Sensor for Hot TubsThis box end temperature sensor is designed for select Jacuzzi Premium Hot Tub models and multiple Sundance spa systems including: 1992 Suncoast models, 1996-98 Suntub systems, 1997-2005 models in the 400,...MSRP: $99.99$79.99 -
Sundance Jacuzzi Flow Switch 3/4" Barb Transparent Tee SPST 30VAC/60VDC Replacement Part
Sundance Spas
MSRP: $157.23$89.99Replacement Flow Switch for Sundance Jacuzzi SpasFeatures transparent tee fitting design; compatible with all single-pump systems from 6/99 to present (excludes Capri models 2001 onward) Includes 2 Barbed Connections with Box End Connectors, No Plug...MSRP: $157.23$89.99 -
4-Pin Female AMP Connector for Control Board - Hot Tub Control Box Side
HTPOFAmerica
MSRP: $3.99$2.99This is a female 4-pin AMP connector rated for 20 Amp applications. Designed to mount on the control board side within the control box, this connector accepts the male AMP cord from pumps, blowers, or other spa accessories.Important Installation Note: A...MSRP: $3.99$2.99 -
20 Amp Slow Blow Ceramic Fuse MDA Style 1 1/4" x 1/4" for Hot Tubs
Buss Fuses
MSRP: $4.23$3.29This 20 Amp slow blow ceramic fuse features MDA style construction with precise dimensions of 1 1/4" length by 1/4" width. Commonly found on various hot tub and pool control boards, this automotive-style fuse uses ceramic material instead of glass for...MSRP: $4.23$3.29 -
_LG__69169__11890.1630829182.jpg?c=2 "Balboa 4-Pin Dual Sensor Assembly - 96\" Temp (3/8\") & 31\" Hi-Limit (1/4\") - Non-M7 Systems")
Balboa 4-Pin Dual Sensor Assembly - 96" Temp (3/8") & 31" Hi-Limit (1/4") - Non-M7 Systems
Balboa Water Group
MSRP: $108.17$84.13This combination temperature and high limit sensor assembly is engineered for standard Balboa 4-pin control systems (excluding M-7 configurations). The set features curly finger-style connector ends for secure board connection.Cable Specifications:...MSRP: $108.17$84.13 -
30 Amp Ceramic Slo Blo MDA Fuse 1/4" x 1 1/4" for Hot Tub Control Boards
Buss Fuses
MSRP: $5.37$4.18This 30 Amp MDA Style Ceramic Slo Blo Fuse is designed for hot tub and pool equipment control boards. Measuring 1 1/4" in length by 1/4" in width, this automotive-grade protective component features ceramic construction for superior heat dissipation...MSRP: $5.37$4.18 -
_LG__73868__83690.1630829177.jpg?c=2 "Flow Switch Sundance Jacuzzi 3/4\"MPT with 3/4B x 3/4\"B x 3/8\"b Tee")
_LG__10413__32193.1630829177.jpg?c=2 "3/4\" MPT Flow Switch Assembly for Sundance Jacuzzi - Includes 3/4B x 3/4B x 3/8b Tee Housing")
3/4" MPT Flow Switch Assembly for Sundance Jacuzzi - Includes 3/4B x 3/4B x 3/8b Tee Housing
Sundance Spas
MSRP: $159.99$93.99This flow switch assembly features a 3/4" threaded sensor with integrated housing designed for Jacuzzi Premium, Sundance Spas, and compatible hot tub brands. The included housing provides 3/4" Barb X 3/4" Barb X 3/8" Barb connections. Important: If your...MSRP: $159.99$93.99