Can you jump a flammable vapor sensor?

You cannot easily bypass this sensor. Merely connecting the wires together will have no effect. It is easy to take the old one off and install the new one. If your gas water heater suddenly stops working, it is very likely that this sensor is the cause.

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…

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.

Where is the vapor sensor on a Rheem water heater?

Johnson also serves as the de facto computer repair person for his family, friends and coworkers. 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.

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.

What to do if your water heater vapor sensor is faulty?

If the reading on your multi-meter reads below 9k or above 45k ohms, the flammable vapor sensor is faulty and in need of replacement; you cannot reset the system until this issue is resolved. Reconnect the Molex connector to the bottom of the control pad, reconnect the water heater’s power if and turn the blower switch to the “ON” position.

What does flammable vapor sensor in hot water tank mean?

My control unit produced a sequence of 7 flashes, which indicates that I have a faulty flammable vapor sensor (FVS). 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.