Viking Spas® 91047 Temp Sensor, 24" M7 Brand_Kozy Heat Your filter handles the work

Your filter handles the work you never see

and tension

Its primary function is to prevent water from flowing backward in the plumbing lines

Granular calcium chloride

Dial-in digital control board with LED readout

Viking Spas® 91047 Temp Sensor, 24" M7 Brand_Kozy Heat Your filter handles the workViking Spas 91047 Temp Sensor, 24" M7 Overview A replacement temperature sensor used in your Balboa Spa Heaters. Each system for the M7 Balboa spa heater uses two sensors. One for high limit and one for temperature. Both sensors are identical and interchangeable and mount to the M7 heater. Note the 2 sensors in the heater are the same, so this is a dual purpose sensor that will replace either one. What's in the Box 1 x Viking Spas 91047 Temp Sensor,