Fresh Air Intake Water Heater at Dorothy Ridley blog

Fresh Air Intake Water Heater. This is all fairly new (~ 2 years) construction, so the furnace (as far as i can tell / understand) is drawing in fresh air directly from outside (see pictures in link below). Not knowing the exact situation, you need 1 sq inch per 10k btu of fresh air, one air inlet high and one low. Taking cold outside winter air and feeding that. You need these to stop co poisoning. Without a steady supply of fresh air, your water heater's burner may fail to ignite or burn. A fresh air intake (directly to the burner) should not be used whenever possible. A fresh air vent replaces air consumed by furnaces, water heaters, fireplaces, bath & kitchen fans, etc. A direct vent water heater draws air for combustion from outside your home rather than inside. The exhaust gasses and excess heat produced by your water heater are then vented back outdoors.

You need these to stop co poisoning. Taking cold outside winter air and feeding that. A fresh air intake (directly to the burner) should not be used whenever possible. The exhaust gasses and excess heat produced by your water heater are then vented back outdoors. Without a steady supply of fresh air, your water heater's burner may fail to ignite or burn. Not knowing the exact situation, you need 1 sq inch per 10k btu of fresh air, one air inlet high and one low. A direct vent water heater draws air for combustion from outside your home rather than inside. A fresh air vent replaces air consumed by furnaces, water heaters, fireplaces, bath & kitchen fans, etc. This is all fairly new (~ 2 years) construction, so the furnace (as far as i can tell / understand) is drawing in fresh air directly from outside (see pictures in link below).

Hybrid Electric Heat Pump Water Heaters True North Energy Services

Fresh Air Intake Water Heater A fresh air vent replaces air consumed by furnaces, water heaters, fireplaces, bath & kitchen fans, etc. Taking cold outside winter air and feeding that. A direct vent water heater draws air for combustion from outside your home rather than inside. The exhaust gasses and excess heat produced by your water heater are then vented back outdoors. Without a steady supply of fresh air, your water heater's burner may fail to ignite or burn. You need these to stop co poisoning. A fresh air vent replaces air consumed by furnaces, water heaters, fireplaces, bath & kitchen fans, etc. Not knowing the exact situation, you need 1 sq inch per 10k btu of fresh air, one air inlet high and one low. A fresh air intake (directly to the burner) should not be used whenever possible. This is all fairly new (~ 2 years) construction, so the furnace (as far as i can tell / understand) is drawing in fresh air directly from outside (see pictures in link below).