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 Spa Board Fuse Jumper Repair Kit - 0.5A Replaceable Holder for Hot Tub Control Boards
HTPOFAmerica
MSRP: $14.99$12.99This Balboa Board Fuse Repair Jumper is designed to restore function to spa and hot tub control boards with blown soldered-on fuses. Compatible with many Balboa Brand control boards, this repair jumper includes a fuse holder equipped with a replaceable 0...MSRP: $14.99$12.99 -
MDA Series Slow Blow Fuse 10 Amp 115 Volt Ceramic Hot Tub Spa Protection
Buss Fuses
MSRP: $5.51$4.29Ceramic MDA Series Slow Blow Fuse - 10A, 115vDurable ceramic construction engineered to safeguard electrical loads up to 30 amps in hot tub and spa systemsMSRP: $5.51$4.29 -
MSRP: $122.94$95.62 -
Balboa Threaded Sensor Mount for M7 Heater Tube - 52560 Replacement Part
HTPOFAmerica
MSRP: $19.99$16.99This component is a Balboa M7 Heater Tube Threaded Sensor Mount sold separately. The mount threads directly into your heater tube, allowing the M7 sensor to slide into position and secure with its attachment mechanism. Please note: This listing is for...MSRP: $19.99$16.99 -
Tecmark 3903-DF Field Adjustable Pressure Switch 1A SPST 1/8"mpt - Gecko Compatible
HTPOFAmerica
MSRP: $46.99$36.99Field adjustable pressure switch designed for Gecko spa control systems and other hot tub applications. The Tecmark 3903-DF model provides reliable pressure sensing with customizable activation points.ManufacturerTridelta/TecmarkSwitch...MSRP: $46.99$36.99 -
2-Pin Male AMP Light Connector Housing - Cord Side Plug (Pins Sold Separately)
HTPOFAmerica
MSRP: $3.99$2.99This cord-side male AMP connector housing accommodates two male pins for spa and hot tub lighting applications. The housing is designed to secure the electrical connection on the cable side of your lighting system. Please note: terminal pins are...MSRP: $3.99$2.99 -
Heyco 1/2mpt Strain Relief - 3/8" Compression Temperature Sensor Mount
Heyco
MSRP: $5.99$4.99This Heyco strain relief sensor mount is designed for temperature sensors on legacy Sundance systems (models 601-605 and 624). It accommodates sensors measuring 3/8" in diameter and features 1/2" Mpt male threading for secure installation. Ideal for...MSRP: $5.99$4.99 -
MDA Ceramic Slow Blow Fuse 25 Amp 115 Volt for Hot Tubs and Spas
Buss Fuses
MSRP: $5.37$4.18MDA Series Slow Blow Fuse - 25A, 115vDurable ceramic construction designed to safeguard electrical loads up to 30 amps in spa and hot tub applicationsMSRP: $5.37$4.18 -
Stainless Steel Spa Heater Tube Plug 1/8" MPT Thread Hole Blocker
Generic
$4.99Premium stainless steel plug designed to seal 1/8" MPT (Male Pipe Thread) openings commonly located on spa heater tubes. This threaded plug fits holes approximately 3/8" in diameter - the same dimension as standard pressure switch openings found in hot...$4.99 -
Sensor Assy, Balboa, 24" Temp/Hi Limit, 1/4"dia, 2-pin
Balboa Water Group
MSRP: $53.83$41.87Temp/Hi Limit Sensor AssemblyMSRP: $53.83$41.87 -
AMP Style Male Crimp Pin Connectors 14-20 AWG - Pack of 25 for Spa & Hot Tub
HTPOFAmerica
MSRP: $12.99$9.99These male terminal pins feature AMP-style crimp design compatible with 14-20 gauge wiring commonly used in spa and hot tub electrical systems. Each pin serves as the terminal contact within plug connector housings, typically found on pump motors and...MSRP: $12.99$9.99 -
Tecmark 4015 Pressure Switch 25A SPDT 1/8" Male Pipe Thread Plastic Hot Tub Spa
Hot Tub Parts or America
MSRP: $41.09$36.97Tecmark model 4015 pressure-activated switching component designed for spa and hot tub systems. This reliable control device features durable plastic construction and 1/8" male pipe threading for straightforward installation...MSRP: $41.09$36.97