Hot Water Heater Exhaust Pipe Insulation

The system works solely through natural convection based on the principle that hot air rises.

Hot water heater exhaust pipe insulation. For an economical and energy efficient way to for an economical and energy efficient way to help prevent your pipes from freezing consider using the armacell armaflex 3 4 in. Illustrations of proper gas fired water heater venting using type b double wall vent pipe through a roof above or through a chimney below include details for the flue vent connector such as the requirement of a minimum vent connector upwards slope of 1 4 per foot of horizontal run. There is one part of the hot water pipes that should always be insulated. The vent consists of a vertical or upward sloping vent duct that typically ties into a common vent.

This is your basic hot water pipe running off of your hot water heater. Gas water heater draft hoods come in different sizes and if you are replacing water heater make sure that the draft hood and the water heater vent pipe match each other. This is a result of poor design in american water heaters. Frost king sp90a insulation blanket for use with upto 60 gal gas oil or electric water heaters fiberglass 1 thick x 48 x 75 reflective 4 3 out of 5 stars 478 19 98 52 52.

The vent pipe for a water heater doesn t get that hot and sheetrock and fiberglass insulation aren t flammable anyway. Hot water in the tank often floats into the pipes when hot water isn t being used. This rubber insulation helps protect your copper and iron pipes against mold and condensation. It s also a good idea to insulate the cold water inlet pipes for the first 3 feet.

1 measure the pipes. Cut the insulation to the lengths needed. With the pipes attached to the top of the tank hot water in the tank moves up into the pipes by thermosiphon. Judging by all my thumbs down perhaps your answer depends on the type and size of water heater you have.

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. Starting at the water heater measure lengths of insulation needed to cover all accessible hot water pipes especially the first 3 feet of pipe from the water heater. Rubber self seal pipe wrap insulation. If the draft hood that came with your water heater has a top opening diameter designed for 3 vent pipe and you have 4 vent pipe installed use an adapter increaser.

2 cut the pipe sleeve.