No, this unit is not a pressurized system, it is an open system. Capping vent could cause serious damage to the unit and/or personal injury. Capping the vent pipe under any circumstance will void your warranty.
No, this unit is not a pressurized system, it is an open system. Capping vent could cause serious damage to the unit and/or personal injury. Capping the vent pipe under any circumstance will void your warranty.