Water Heater Exhaust Pipe Very Hot

I have never noticed it like this before.

Water heater exhaust pipe very hot.

Item 81347 model 103400r. After applying pipe thread tape to the mnpt nipples on your water heater thread the fnpt end of the. Since the vent does not rely on the buoyancy of hot air it can be run horizontally to the outside of the house. The venting can run either vertically or horizontally with a longer line to help with space and sizing issues within your.

Corroding gas water heater vent pipes should be replaced as soon as possible to prevent possibility of exhaust fumes carbon monoxide contamination. The blower pushes the exhaust and excess heat through the exhaust venting. Apollopex corrugated the 3 4 in. Water heaters with power venting come with an electric blower fan often very quiet installed on top of the water heater and can have either vertical or horizontal vent ducts.

Water heater vent pipe clearances and restrictions. Selkirk 6 pack gas 3 in stainless steel water heater vent kit. The existing vent pipe is typically too large and must be replaced with one of a smaller dimension so the water heater can heat the vent enough to ensure exhaust gases rise out of the home. Measure the diameter of the exhaust pipe leaving your hot water heater.

If the exhaust pipe is 4 inches in diameter the flue liner cross sectional area should not be larger than 88 square inches. I noticed it was very hot to the touch not enough to catch anything on fire but still very hot to the touch. This is not the hot water piping but the exhaust vent duct i said pipe in the title sorry. If this is not done the water heater will likely backdraft which means the exhaust gases will come into the home.

Smith power vent gas water heaters are equipped with an electric blower fan that is installed on top of the water heater which requires an electrical outlet to be close to the water heater. The difference is that a power vent water heater pulls in combustion air from the space around the appliance then uses a fan to propel the exhaust through the vent. At some point corroded gas water heater vent pipe wall becomes very soft and might fall apart when under even slight pressure. If it is a 3 inch diameter pipe the inside cross sectional area of the chimney flue liner should not exceed 49 square inches.