Flame Vapor Sensor

It will shut down the unit even if it is producing heat.

Flame vapor sensor.

Cleaning the flame sensor is basic maintenance that will improve the. Only 3 left in stock order soon. This sensor uses the infrared flame flash method which allows the sensor to work through a coating of oil dust water vapor otherwise ice. It includes four pins which include the following.

The sensor is designed to detect the presence of a specific concentration of. Bradford white oem flammable vapor sensor 239 45560 00 water heater replacement part 2394556000 4 5 out of 5 stars 22. The pin configuration of this sensor is shown below. The fvs is a relatively newer ish invention that consists of a silicone type sensor that detects flammable vapors outside of the hot water tank.

After scouring the internet i found this sensor on amazon and we were able to determine that rheem richmond are essentially manufactured by the same company. Certain rheem water gas water heater models feature electronic controls with a flammable vapor sensor installed on the bottom portion of the water heater unit. Water heater ignitor and flame rod for ao smith 9003626005 4 4 out of 5 stars 55. This is a safety mechanism.

The problem is not with the flame sensor it s the flammable vapor sensor the safety sensor that prevent ignition if flammable vapors are detected. A burner with no flame may release gas into the air. The blinking status indicator showed 7 blinks which decodes to flammable vapor sensor lockout. The gas valve is a honeywell with an on switch and temperature dial.

When the sensor becomes blocked with debris the heater will not work properly. A flame sensor detects heat coming from the burners. This sensor is designed to shut off your water heater system to prevent fires in case flammable vapors are present within the area. The only way i can get the gas valve to come back on is if the flammable vapor sensor reports there are no flammable vapors.

If you have a gas leak you certainly don t want to have an open flame feeding off that fuel. The 25vs chemi resistive flammable vapor sensor from therm o disc is an integral part of the flammable vapor ignition resistance fvir systems offered by the north american water heater manufactures on residential power vent and high efficiency atmospheric models.