High Limit Capillary and Bulb Thermostat.
The 351 series of Bulb & Capillary thermostat is our most versatile. The series is available in several variations including fixed and adjustable models with auto or manual reset. Numerous mountings, bulb material, and switches available, complete its versatility.
Part number: 351-254287 Switch A 351-254288, Switch B 351-254271
Alternate P/N: 122821D
Bulb: Qty 2 Material = Copper, Length 3.0”, O.D .375”, Non-plated
Capillary: Qty 2 Material = Copper, Length 20” Non-plated
Hardware: Qty 2 Rubber Stops NOTE: REQUIRES THERMOWELL P/N 351-849-142
Operating Temperature: Aprox 140° F to 240°F Adjustable, Ambient Compensated
Ambient Compensation: Ambient compensation allows for automatic switch adjustment with ambient operating temperature changes. Max Ambient Temperature 250°F Min Ambient Temperature 32°F
Electrical: Switch A 102W 240V AC @ 15 Amp, Single Pole, Normally open and Normally Closed, Adjustable Temperature. Switch B 103K 240 V AC @ 30 Amp, Manual Reset Normally Closed
Mounting: Bottom, Frame, 2 holes .203”D, 3.25” between Centers
Application: Commercial Water Heater, Booster Heater or Heating Unit
Description: Double Switch, High Limit Capillary and Bulb Thermostat. Side A 102W, Adjustable, Ambient Compensated. Side B 103K Manual Reset, Manufacturer Direct, Made in USA by SENASYS, STEMCO Division