A spill switch is a device designed to sense and correct unsafe venting of combustion gases from a gas-fired appliance into a building.
What causes spill switch trip?
an improperly installed or improperly-located spillage switch detector can cause either nuisance tripping (spill switch shuts off heat when it should not) or unsafe operation (spill switch fails to detect dangerous flue gas spillage).
How do you reset a blocked vent switch?
https://www.youtube.com/watch?v=_4KZ7l1UvHA
How does a vent safety switch work?
The vent limit switch, which is also referred to as a fan limit switch and is typically shaped like a small metal disc, prevents damage to your furnace by shutting the furnace down in the event that it overheats. This prevents the heat exchanger from warping and cracking from temperatures that are too high.
What is boiler spillage?
This “spilling” of carbon monoxide (CO) or extreme heat is detected through a sensor that shuts off gas to the furnace, boiler or water heater before enough CO is emitted to put the building's occupants at risk.
How do you turn on a boiler?
Turn the control knob to the “On” position once the pilot stays lit. Put the control access panel back on the boiler. Use the screws you removed earlier if applicable. Turn on the current to the boiler at the breaker box and then turn on the boiler power.
What does a spill switch do on a boiler?
A spill switch is a device designed to sense and correct unsafe venting of combustion gases from a gas-fired appliance into a building.