Invensys Controls Spa Mechanical Thermostat 12in x 14in Capillary Bulb SPDT

Invensys Eaton Mears 275 3123 standard mechanical spa heater thermostat used on older spa pack control systems from Allied, Len Gordon, Brett Aqualine, PresAirTrol. Factory set, but adjustable spa thermostat has a 12 capillary wire with a 3.6 long x 14 wide copper capillary bulb that is placed into a thermowell not included. Thermostat is screwed to the back of the panel or heater housing, with the knob attachment pointing outward. SPDT wire connections are 14 standard tabs. 275 3123 replaces or supersedes 180020001, 59B9031, 59B9282, 760077.

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