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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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...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...MSRP: $5.37$4.18 -
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...MSRP: $159.99$93.99 -
Balboa M7 Temperature High Limit Sensor 12 Inch 1/4 Inch 2-Pin with Wire and Connector
HTPOFAmerica
MSRP: $52.99$40.99This Balboa M7 heater temperature sensor is a complete replacement assembly featuring integrated wiring, 2-pin connector, and screw-down cap. The 12 inch sensor with 1/4 inch fitting does NOT include...MSRP: $52.99$40.99 -
25 Amp Pressure Switch 1/8" MPT High Current Hot Tub Spa Replacement Part
HTPOFAmerica
MSRP: $54.99$44.99This high-capacity 25 Amp Pressure Switch comes equipped with 1/8 inch MPT standard threading and dual spade terminals for simple two-wire electrical connections. Designed for universal...MSRP: $54.99$44.99 -
Balboa M7 Temperature Sensor & High Limit 24" Wire - Heater Replacement Part
HTPOFAmerica
MSRP: $44.99$34.99This genuine Balboa M7 Heater Temperature Sensor features a 24" wire length and arrives complete with wire, connector, and screw-down cap included. The tube and tube-side mounting bracket are NOT...MSRP: $44.99$34.99 -
Buss SC-20 Fuse 20 Amp, 1.25" x 0.375" for Hot Tub Control Boards
Buss Fuses
MSRP: $14.99$11.99This Buss SC-20 fuse delivers a 20-amp rating with dimensions of 1 1/4 inches in length and 3/8 inches in width, engineered for reliable circuit protection.It is compatible with numerous spa control...MSRP: $14.99$11.99 -
4-Pin Male Cord Plug Housing - AMP Style 20 Amp Connector
HTPOFAmerica
MSRP: $3.99$2.99Male cord-side plug housing designed for 4-pin AMP style connections rated at 20 amp capacity.Important: Specialized tool required for pin removal when replacing this plug housing assembly.MSRP: $3.99$2.99 -
SC-25 Time Delay Buss Fuse 25A SLC25 30137 Compatible with Balboa, ACC, Gecko and More
Buss Fuses
MSRP: $16.99$11.99This SC-25 series time delay buss fuse provides 25 amps of protection and measures 1 5/8 inches in length by 3/8 inch in diameter. It is designed for use in a broad range of spa control boards...MSRP: $16.99$11.99 -
30 Amp SC-30 Bussman/Cooper Fuse for Hot Tub Control Systems
Buss Fuses
MSRP: $16.11$12.53This genuine SC-30 Buss or Cooper Bussman 30 amp fuse measures 1 5/8" in length by 3/8" in width and serves as a critical protective component for spa control systems. Compatible with numerous hot...MSRP: $16.11$12.53 -
Universal 1 Amp Pressure Switch 1/8" MPT Thread Hot Tub Spa Replacement Part
HTPOFAmerica
MSRP: $43.99$29.99Tecmark 1 Amp Pressure Switch for Hot Tub and Spa ApplicationsThis universal pressure switch is designed for digital hot tub control systems with low amperage requirements. The switch features 1/8"...MSRP: $43.99$29.99 -
Temperature Sensor O-Ring Seal - Sundance 800/Jacuzzi J-Series/Premium - Replacement Gasket
HTPOFAmerica
MSRP: $9.99$5.99This replacement O-ring gasket provides a watertight seal for temperature sensors in Sundance and Jacuzzi brand spa systems exclusively.Please Note: The temperature sensor component is purchased...MSRP: $9.99$5.99