Circuit Board Parts
Circuit board parts help repair and maintain the electronic systems that control pumps, heaters, lights, blowers, and spa or pool automation. Browse replacement relays, sensors, connectors, fuses, and related board components designed to support reliable electrical performance.
Hydro-Quip 10' 4-Pin Temperature Sensor (34-0203D-K)
$70.97 $56.78
Hydro-Quip 36" 4-Pin Temperature Sensor (34-0203D-36-K)
$56.78 $45.42
Hydro-Quip 36" 2-Pin Hi Limit Sensor (34-0201D-36-K)
$55.36 $44.00
Gecko IN.YJ Heat Recovery Temp Sensor [4 Ft.] (9920-401397)
$115.70 $92.27
Dimension One 01720-0004 Magnetic Switch Box (01720-0004)
$112.86 $90.14
Balboa 25' 1/4" Temperature Sensor [2-pin] (38049)
$102.92 $82.33
Balboa 31" 1/4" Hi Limit Temperature Sensor [4-pin] (30278KIT)
$129.19 $102.92
Balboa 96" 3/8" Temperature Sensor [2-pin] (30920)
$112.15 $89.43
