Water Heater Vent Hood Sheet Metal Screws

Cut the pipe to the appropriate length with sheet metal shears.

Water heater vent hood sheet metal screws.

Water heater inspection draft hood. The connection between the draft hood and the vent pipe should be secured with sheet metal screws three per connection on a single wall pipe are recommended. On 2020 03 18 by mod cold single wall metal vents may not vent the water heater properly. Check the installation manual for the recommended diameter vent pipe for your new heater.

Look to see if the draft hood over the vent hole is centered and if the legs are straight and secured by screws this may depend on the design of the pipe. A draft hood must only be connected to an equal or larger sized vent pipe as allowed by code. Place furnace tape around the joints to ensure tight seals. Vent connectors of listed vent material assembled and connected to flue collars or draft hood outlets in accordance with the manufacturers instructions.

Seal joint at bottom of vent pipe increaser 4 inch vent pipe 3 inch draft hood when two vent pipes are made by different manufacturers they may not fit together. Water heater draft hood s diameter depends on the size btu s of the appliance. Do not use regular duct tape to secure or seal connections. The size of the vent pipe must not be smaller than the draft hood and connection must be airtight to prevent the leak of the flue gases.

Measure a straight section of new galvanized vent pipe to rise as. Draft hood and gas water heater vent pipe connections. Only use the draft hood that is supplied with the water heater. Residential size water heaters have usually 3 or 4 diameter draft hoods some accept both sizes.

If the recommended vent pipe diameter is larger than the vent hood opening don t install a reducer. Find water heater accessories at lowe s today. Turn the water heater thermostat back to the appropriate setting. My old codecheck west that was based on the 2000 irc has.

Rinnai tankless gas steel water heater enclosure. Check to see if the draft hood and water heated flue pipe connections are properly secured with sheet metal screws. For pricing and availability. Snap the new draft hood onto the water heater and secure it with sheet metal screws.

Some building inspectors don t even allow aluminum tape on joints. Use three screws per joint. The collar of the draft hood will have a profile that allows for different diameter vent pipes installation picture. Some adjustments might be needed as long as the original size and shape are kept.

Even if you don t face a fire hazard a single wall vent might for some heaters be too cold and thus the heater might not vent properly in some climates locations. Fasten the flue pipe and fittings together with sheet metal screws.