Related illustrations

1399

Furnace duct/HRV connection

· p. 255

The illustration shows a heat recovery ventilator (HRV) connected to the cold-air return duct of a gas furnace. Arrows show return air moving toward the furnace, fresh air entering the return duct from the HRV, and exhau

1014

Ventilation/cooling air for wood furnaces

· p. 174

A house cross section shows a wood furnace enclosed in a small basement compartment. The furnace is depicted with a burning fire, a blower, overhead duct connections, and a flue connection to a vertical chimney extending

1055

Wood stove vent connections

· p. 184

A wood stove stands on a brick base with a vertical vent connector that turns through an elbow into a horizontal run. A circled joint is enlarged in two cross-sectional details comparing proper and improper pipe overlap.

1357.6

HRV connections to furnace ductwork

· p. 244

The illustration shows a heat recovery ventilator (HRV) connected to furnace ductwork and to outdoor intake and exhaust openings through an exterior wall. Arrows show warm air from the return air duct system entering the