Electronic Control Systems and Parts

Caldera Hi-Limit sensor used on the Advent control systems from 2002 - current. This sensor is found mounted to your heater and detects high heat conditions to protect the heater from running dry or flow restrictions.  Found in Caldera, Utopia,...

OEM Caldera temperature sensor with 3/8" bulb. This sensor is normally found mounted into a sensor well and makes direct contact with the spa water. On the other end it plugs into the circuit board via the 4 pin, 2 wire JST plug. Found in Caldera,...

Gecko In.Yj compact retro-fit control system includes the in.yj spa pack, 4.0 kw remote heater, Pump 1 power cord, light cord, K300 topside control, adapter plate and Ii.Touch WiFi Module. Makes a great control for spas that have a tight equipment area...

Balboa VS100 circuit board and heater kit made to replace the discontinued VS100 spa pack and the previous versions of their retro-fit kits. This circuit board will fit into any previous VS100 or Dreammaker RS101 box. The 10" heater is rated at 1.0 KW at...

HydroQuip WaterPro retro-fit control system with 5.5 KW 15" slide heater. This Balboa BP7 based system has a heater that can slide up and down the back of the box or be detached to meet various plumbing setups. The unions on this heater are considered 2"...

Bullfrog Spas OEM BFBP20R1(x) circuit board made by Balboa. This circuit board has been used in many 2013-2018 models and can be used with a few different topside controls but is often paired with the touch screen models.  This circuit board will...

AMP cable splitter for use with Gecko or Balboa spa packs. This 14/3 splitter is commonly used for the circulation pump and the ozonator to share one receptacle on the main circuit board. It has a 6" length with one male AMP plug and 2 female AMP...

Sundance and Jacuzzi Flow Switch for 2006-2009 models. Jacuzzi used this switch on all 400 Series models 2006-2009 and in various Sundance models, including in ground units. Includes the tee with mounted flow switch, 5 ft cable and box end connectors...

Balboa Expander circuit board used to add a 2 speed pump output to the VS520SZ, VS520DZ, BP7, LPI501ST, and BP501 based circuit boards and spa packs. This board is found mounted on top of the heater. Includes 30 amp fuse protection. This circuit board...

LZM1UR1(X) / LZM2UR1 circuit board for Marquis spas that have 2 pumps. This original circuit board may also have part number 54343 and the spa pack or box that houses the board 54342. Supports a 2 speed pump 1, single speed pump 2, 12 volt light and...

Temperature sensor for the Jacuzzi J-400 and J-1000 models from 2010 - current that uitilize the Nidec Spa pack that has the different colored rubber molded plugs, called a DSMT plug. This sensor has the typical hex head mount for the sensor and has a 8...

Balboa "Y" Splitter used to add an additional Pump # 4 on BP spa packs and control systems such as the BP7 and BP2000. To utilize this splitter you plug the male end into the Pump 2 port, go into the programming and set pump 2 as a 2 speed circuit, then...