What does a snap disc do in a pellet stove?

This part may be called a limit switch, snap switch, or snap disc. These temperature sensing switches serve as a safety feature and typically control auger motors, blowers, and other major components in your stove. Depending on the brand and model, you may have multiple high and/or low limit switches.

How do you reset a snap disc?

Resetting the snap disc thermostat depends on the type of thermostat. If it’s an automatic reset thermostat switch, bring the temperature in the system back to normal to reset the switch. Automatic reset temperature switches have a set opening and closing temperature.

How do I know if my snap disc is tripped?

What is snap acting thermostat?

Open Air Thermostats sense heat through convection rather than conduction. Snap Disc Thermostats utilize a bimetallic, temperature-sensitive disc that snaps open/close switch contacts disrupting/re-estabishing continunity.

What is a thermal snap switch?

Snap Disc, or snap switch thermostats are bimetal mechanical thermostats that function via the thermal expansion and contraction of a bimetal disc that “snaps” from a convex to a concave shape at a set temperature. When the disc “snaps”, it either completes or interrupts a circuit.

How do you test a disk thermostat?

How do you wire a snap disc?

How does a thermostat switch work?

Mechanical thermostats regulate heat thanks to the expansion of their internal metallic strips. This strip carries electricity through the connected circuit, switching on the heating. As the strip heats up, one of the metals expands enough to open the circuit and switch off the heating, cooling the room down.

Where is the thermal switch?

Thermal switches are used in power supplies in case of overload, and also as thermostats, and overheat protection in some heating and cooling systems. They are found in virtually every refrigerator, microwave, clothes dryer, space heater, and many more appliances found throughout the home.