Eaton - Spa Mechanical Thermostat, 36in x 5/16in Capillary Bulb, SPST

Invensys / Eaton Mears 275-3124-01 with 5/16"" diameter capillary bulb, is a 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 36"" capillary wire with a 4.15"" long x 5/16"" 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. SPST wire connections are 1/4"" standard tabs. 275-3124-01 replaces or supersedes 72026, and P30830.