Power Direct Vent water heater is designed with a sealed combustion chamber, through the roof, except for 65,000 BTU high input model (see installation manual for full max (U.S.) ABOVE DRAIN COLD WATER INLET UNION IN SOME JURISDICTIONS: INSTALL A VACUUM RELIEF IN COLD WATER LINE.
The height of the termination above the roof is determined by the roof pitch, and also it's proximity to adjacent walls or obstructions. B-VENT PIPE B-VENT TEE WATER HEATER CONNECTOR RISE FAN ASSISTED FURNACE Fig 2. 4 is within 8 feet.
Obtained from the outdoors and the closet shall be for the exclusive use of the water heater. Direct vent type or electric water heaters do not require the above mentioned closet and door assembly (505.1 CPC 2007) Vent pipes shall not terminate less than 12” above the roof.
Direct-Vent Roof Termination (Flat Roof) If you are not qualified (as defined by ANSI above) and licensed or certified as required by The water heater vent must not be connected to any other gas appliance or vent stack.
On-Demand Concentric Vent Components Horizontal Venting Material Bends, Extensions, and Accessories Vertical Venting Material 38" (above roof) Part No. 9006500005 Roof Flashing * Included with Roof Discharge Terminals Vent Pipe Clamp Part No. 9006513005 3.9"
790001 Vent 8-in Roof Termination Kit 790028 Vent Extension, D4 x L39 Follow the recommended minimum service clearances below for maintenance access to the header above the water heater. If the vent system is to be enclosed,
The vent and the water heater minimum 12” above the roof through flashing at the roof and terminate in a listed and approved vent cap. Vents may require additional supports depending on the material and design.
Least 18" (45.7 cm) above the roof surface, see Figure 9. FIGURE 9. AIR FOR VENTILATION FOR APPLIANCES LOCATED IN CONFINED SPACES. a power direct vent water heater, snow accumulation and drifting should be considered in areas where applicable.
• Compatible with all indoor Rinnai water heater models, except the 98 series which utilizes separate intake and (above roof) 19 184119 Roof Discharge Termination 38” (above roof), * Vent Kits for the V Series water heaters are available as well.
Peak of the roof. The recommended vent area is 1 square foot of net free vent area (NFVA) per 150 feet of attic floor area. must be the same as the hot water heater and furnace as explained above. 3. Attic Air Chutes (Channels)
Installed above the peak of the roof. Installation instructions are provided with the kit. Telescopic Vent Connector Pipe (Supplied with Roof Jack) Silicone Rubber Seal (Supplied with Roof Jack) This water heater complies with Section 3280.707(d) (2)
water heater water softner roof vent cap fire hose cabinet from above below floor slab in floor slab under ceiling level under tile roof vent cap fire hose cabinet from above below floor slab in floor slab under ceiling level under tile high level not to scale