Fvir Water Heater Code

Fvir gas water heater flammable vapor ignition resistant for space heating and potable water heating only.

Fvir water heater code.

Most of the problems with a rheem gas water heater will be related to the fvir lockout. Water heater installations in bedrooms and bathrooms shall be in accordance with one of the following nfpa 54 10 28 1. 1 a device to prevent ignited vapors from passing out of the combustion chamber 2 a one way intake. Should be directed to the local dealer from whom the water heater was purchased.

Is your water heater showing a flammable vapor sensor code. Smith water products company ahstb02807 technical training department. This helps to protect homes. Fuel burning water heaters shall be permitted to be installed in a closet located in the bedroom or bathroom provided the closet is equipped with a listed gasketed door assembly and a listed self closing device.

Smith fvir intelli vent troubleshooting chart a. 186489 002 all technical and warranty questions. As a result design changes were mandated by the consumer products safety commission cpsc and all 30 40 and 50 gallon gas fired water heaters manufactured after july 1 2003 have been required to have flammable vapor ignition resistant fvir technology. Because non fvir pre 2003 water heaters were a substantial fire hazard it s become common for people to put their garage water heater on a stand or to elevate it when it s no longer necessary or for that matter required by code for current technology.

But there were still thousands of house fires attributed to water heaters each year. An ansi american national standards institute standard went into effect in july 2003 that will prevent a water heater from igniting flammable vapors outside the combustion chamber. The next step should be to clean the intake of the water heater. Not for use in mobile homes.

The water heater for substances that could be tb a028 06 a. A fvir water heater has the following components. If the tank is in compliance with the fvir standards it does not have to be raised 18 inches in garages or similar locations unless required by the manufacturer or local code authorities. Fvir stands for flammable vapor ignition resistant.

In the event of a flammable vapor incident the flammable vapor ignition resistance fvir system disables the water heater by shutting off the gas supply to the water heater s. The burning vapors literally burn themselves out without escaping back into the room. Printed in the u s a 0808 part no.