Tankless Water Heater Flue Pipe

However this doesn t have to be the case and usually isn t.

Tankless water heater flue pipe.

Tankless water heaters don t always need two ventilation pipes even for direct vent units. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents. Special stainless steel pipe. Direct vent water heaters can use two separate pipes for intake and exhaust but some manufacturers offer concentric venting a single pipe that contains an inner exhaust vent and an outer intake vent.

Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement. Tankless water heater design allows for multiple venting options. Install an increaser on the flue base on the water heater. Will this 4 inch diameter vent pipe work on all sizes and models of takagi tankless water heaters regardless of btu and so on.

The vent pipe must be made of stainless steel designed for venting corrosive gases. Always increase the size of the flue pipe as you go to the chimney and make sure that the flue always pitches upward to avoid trapping exhaust gases. Residential and commercial tankless gas water heater installations are required by code to use stainless steel venting exception. We offer a complete line of vertical and horizontal 3 4 and 5 venting for many.

After applying pipe thread tape to the mnpt nipples on your water heater thread the fnpt end of the water heater connector onto the tank and tighten with. The tankless heater cannot share vent piping with any other appliance and it cannot use a masonry chimney flue for venting. Rinnai tankless water heaters were the first to use a unique concentric venting system a single vent assembly option featuring an inner tube for exhaust and an outer tube for fresh air from outdoors. Nova s line of gas venting products are designed to work with many brand tankless water heaters that require category iii vent piping.

Apollopex corrugated the 3 4 in. Traditional gas tank water heater require venting through the roof. Rinnai 3 inner diameter direct vent pipe double wall 90 degree vent pipe elbow for condensing tankless water heaters. Install the 90 degree elbows on the two increasers and then rotate the elbows so that they re aligned with one another.

Nrc111 and ncc199 models may use pvc and we manufacture all the components necessary to meet those requirements. When many consumers learn that a gas powered tankless water heaters must be vented they immediately imagine costly and invasive carpentry work. The se and se models offer concentric. Tankless water heater venting can be a quick and affordable job if you plan it right.

Rinnai 39 vent pipe extension for condensing tankless water heaters.