Hot Water Gas Boiler Chimney Vent

When venting a gas water heater to a chimney be aware that holes in the chimney can prevent a good draw on the water heater causing downdrafts and presenting the risk of carbon monoxide poisoning.
Hot water gas boiler chimney vent. Rinnai i series natural gas or liquid propane boiler with 90 000 btu input model i090sn. 1 200 00 2d 9h 4 20 shipping. To avert this problem you can vent the water heater to the largest hole in the chimney and cap the remaining holes. When venting two appliances separately into a common chimney always install the smaller flue pipe appliance with lowest gph input at a higher point into the chimney than the larger flue pipe for the appliance with the largest gph input.
Hvac boiler safe stop leak liquid boiler sealer for steam and hot water systems. There are a few rules to mention. This is called a common vent configuration. A direct vented or atmospheric gas hot water boiler vents its flue gas into a chimney or vent pipe that terminates above the roof.
The exhaust gas temperature of modern gas furnaces and water heaters is much lower than past appliances because much more heat is harvested so you waste less money up your chimney. Set your store to see local availability add to cart. Make offer boiler. Multiple gas or oil furnaces or boilers as well as hot water heaters can be vented into one flue.
Refer to figure 2. Burnham series 2 87k btu 84 afue hot water gas boiler chimney vent. Direct vent boilers direct vent boiler direct vented hot water boiler. In many cases the exhaust from the larger appliance heats up the common vent improving the flow of the water heater vent.
The rules apply to listed appliances. The manufacturer s listing and instructions will preclude attaching any other appliances to it. Gas and oil appliance venting. Atmospheric venting refers to a system in which exhaust from the water heater naturally rises out of the appliance s combustion chamber then travels up through a standard chimney style flue.
Slant fin victory natural gas direct vent hot water boiler with 90 000 btu input 68 000 btu output model vsph 90 2 618 94 2 618 94. Hot water boilers. The area around the flue piping should be sealed where it enters the chimney. Traditional masonry chimneys were designed and sized to vent very hot flue gases from old coal wood burning or low efficiency gas furnaces.
Gas fueled boilers may cost less to operate than oil fueled ones if heating oil prices are high. Water heater ducts may lead directly outdoors or they may tie into a larger vent duct that also serves a gas or propane furnace or boiler in the home.