Electronic Control Systems and Parts

This Temperature Sensor Set has 1/4" probe widths on both probes.. This set usually found on tubs with no heater that uses a firestick or heat jacket to heat not a real heater... I have seen these on...

This is a Thermcore Plastic replacement sleeve. The Stainless Steel version is no longer available..

This sensor is no longer available.. Temperature Sensor

Note: This board is Obsolete but Ship you the least version that will work. This Balboa Board is a VS-500 meaning it is a one jet pump board that will run a 12V light and a Circulation Pump also if...

This part is No Longer Available and there is no replacement..   Hydrothermix Pump UnionsFor pump without molded ports

This part is a Vacuum Switch like you will find on some  Cal Spas in the suction side of the pump. Specs V4001P-DX Replacement, 21A, 1/8"mpt. For a switch like the original click this link:

This part is the Cord Side Male AMP Connector that houses (3) Male Pins.. The Pins are not included..  

This sensor is no longer available.. Hi Limit Sensor

This Part is a Surface Mount Style HI LIMIT: Single Pole Single Throw THERMAL FUSE Auto Reset (With NO CAPILLARY)This Hi Limit Surface mount surface mounts to the heater in a spot where it can read...

This part is an Amp Style Female Pin crimp connector that fits wire that is 14-20 Gage and is usually found on the pack or board side plug connector that is mounted on the board housing.. This...

The VS300 circuit boards have been discontinued. We now send the VS501Z circuit board which has a few more receptacles but is the same otherwise in fit and programming. This part is a VS300 Board...

This item is a 1/8" MPT Brass Plug which can be used to block an 1/8" MPT (male Pipe Thread) hole normally found on a Heater Tube on Hot Tubs. This hole size is the same size as a Pressure Switch...