What is a flammable vapor sensor lockout?

What is a Flammable Vapor (FV) Sensor? FV Sensors are safety devices on select models of water heaters, which cause a soft lockout (a.k.a. the unit shuts down) when flammable vapors are detected near the unit, to prevent the possibility of their ignition.

How do I reset my Honeywell sensor?

Reset the sensor by pressing and holding the Connect button on the sensor until the orange light appears (after about 15 seconds). Then try adding the sensor to the thermostat again.

How do you test a flammable vapor sensor?

Using a multimeter to check resistance, remove the sensor from its bracket on the base ring of the water heater and disconnect both wires to the sensor. 2. Take a resistance reading between the two wiring terminals of the FV sensor and note the resistance value.

How to reset the vapor sensor on a water heater?

Reset the control by unplugging the blower, leave unplugged for at least 5 seconds. 2. plug back in and within 30 seconds cycle temp control from hot to low 6 times. 1. Turn the manual lever on the Control Gas Valve counter clockwise until it snaps to the “on” position. 2. Keep the temperature dial on Vacation. 3.

Is there a way to reset the flammable vapor sensor?

Luckily that error code can easily be reset and you will have hot water again in less then an hour. The reset procedure will vary depending on which gas valve you have. Before resetting the flammable vapor sensor, make sure there are no flammable vapors or containers near the water heater. Here are the different gas valves and how to reset them: 1.

What to do if your hot water heater has a bad sensor?

Tie it into your hot water heater, and you will have bypassed the safety mechanism of your hot water heater. Replace the vapor sensor. If you have a bad sensor, the fix is easy—get a replacement and install it. Many of the big box chains like Lowe’s and Home Depot will unlikely carry these parts, but a specialized plumbing company might.

Is the vapor sensor on a Rheem water heater flammable?

Hunker may earn compensation through affiliate links in this story. Never try to modify or bypass the flammable vapor sensor on your hot water heater. 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.

Reset the control by unplugging the blower, leave unplugged for at least 5 seconds. 2. plug back in and within 30 seconds cycle temp control from hot to low 6 times. 1. Turn the manual lever on the Control Gas Valve counter clockwise until it snaps to the “on” position. 2. Keep the temperature dial on Vacation. 3.

Luckily that error code can easily be reset and you will have hot water again in less then an hour. The reset procedure will vary depending on which gas valve you have. Before resetting the flammable vapor sensor, make sure there are no flammable vapors or containers near the water heater. Here are the different gas valves and how to reset them: 1.

Why is the gas valve on my hot water heater not working?

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). 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.

Is there a flammable vapor sensor on my water heater?

However, there are no flammable vapors, but I cannot get the water heater to come back on. The owner’s manual indicates that if switching the heater on/off does not fix the issue I should replace the Flammable Vapor Sensor… it’s after 5PM, that’s not going to happen…