1. Home
  2. button plug

HVAC-Talk: Heating, Air & Refrigeration Discussion

$ 21.00

4.8 (83) In stock

There is an exhaust pipe from the furnace that goes up and out of the ceiling. There are 2 holes in the pipe, below where the exhaust pipe connects to the straight pipe that goes up and out of the ceiling. I am wondering what these holes are for. I have a photo but I guess I can

HVAC-Talk: Heating, Air & Refrigeration Discussion

TU-502 Gas Fired Heating Control Board - iConnect Training

Choosing Room Air Conditioner Capacity as per Square Feet

SMACNA, ABC Issue Statements on Apprenticeship Program Rule

HVAC-Talk: Heating, Air & Refrigeration Discussion

Engineering Tomorrow

HVAC-Talk: Heating, Air & Refrigeration Discussion

HVAC-Talk: Heating, Air & Refrigeration Discussion

Cellino Plumbing Truck Wrap Contest 2024

InstallerSHOW 2024 Largest heating, plumbing & renewables expo

HVAC-Talk: Heating, Air & Refrigeration Discussion

HVAC-Talk: Heating, Air & Refrigeration Discussion

HVAC-Talk: Heating, Air & Refrigeration Discussion

Air Conditioning, Heating & Refrigeration News, Weekly newsmagazine of the HVACR contractor covering residential & commercial contracting.