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.
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.
The question is whether they re worth your attention.
This is essential in creating an air tight combustion system.
Any can be power vented safely.
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.
Cut the vent hole.
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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.
I know of no steam boilers which can be direct vented.
Burnham s new megasteam is probably the highest efficiency oil fired steamer available.
This raises the steady state efficiency.
These are typically direct vent systems utilizing some form of a two pipe system.
Today there many boilers of this type available on the modern market.
In a two pipe system one pipe vents the products of combustion outside the building while the second pipe draws combustion air from outdoors.
If you have no chimney drill a vent through an exterior wall.
In addition to the four vent categories many boiler manufacturers offer specialized vent systems.
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.
Weil mclain 3 concentric vent kit pvc for weil mclain wm97 eco gv90 ultra 80 ultra 105 and ultra 155 hot water boilers mpn.