How long will a B-vent normally last in use with a natural gas furnace and hot water heater, before the whole system would need to be replaced?
1 Answer
Most type B gas vent pipe should last decades before possible replacement, though we cannot speak for brands/types we do not sell. This assumes the pipe is properly installed and being used on a suitable appliance.
Submitted by:Tyler M. - NFI Master Hearth Professional on June 23, 2020
Can I install a 4 inch B pipe inside of an 8 inch pipe?
1 Answer
The diameter of type B gas vent is dependent on the appliance's specifications and requirements. You would need to check wit the manufacturer for details for your particular application.
Submitted by:Tyler M. - NFI Master Hearth Professional on April 20, 2020