Can You Direct Vent A Steam Boiler

A direct vent gas boiler is a unit that includes a closed horizontal piping system that goes through a side wall right to the outside for exhaust and intake air.

Can you direct vent a steam boiler.

If you have no chimney drill a vent through an exterior wall. Cut the vent hole. Today there many boilers of this type available on the modern market. This is essential in creating an air tight combustion system.

New yorker boiler company manufacturer of reliable residential hydronic heating products offers a complete line of cast iron and steel boilers as well as an indirect water heater. Any can be power vented safely. Measure from the direct exhaust vent on top of or on the side of your boiler to the chimney or wall to determine the cast iron pipe vent length. This raises the steady state efficiency.

Burnham s new megasteam is probably the highest efficiency oil fired steamer available. I know of no steam boilers which can be direct vented. Heat that is typically lost in the chimney can be extracted in the heating appliance dropping the gross stack temperature to 300 f 350 f. These are typically direct vent systems utilizing some form of a two pipe system.

Weil mclain 3 concentric vent kit pvc for weil mclain wm97 eco gv90 ultra 80 ultra 105 and ultra 155 hot water boilers mpn. In the direct vented system flue gases are not cooled in a chimney. If you have natural gas available a gas fired boiler would be fine but if you have to use propane i would certainly stay with oil. Direct exhaust venting draws combustion air from the utility room or boiler room around the heating appliance and vents appliance exhaust out through a building sidewall or through the roof using an approved or listed b vent metal chimney or similar materials.

Use your roof chimney to vent your gas fired boiler. In a two pipe system one pipe vents the products of combustion outside the building while the second pipe draws combustion air from outdoors. In addition to the four vent categories many boiler manufacturers offer specialized vent systems.