Should PVC schedule 40 pipe and fittings continue to be permitted for combustion exhaust venting? You and I have come across PVC that has gone from white to many colored shades: from light yellow to ...
The problem: Replacing an existing gas furnace with a new, more efficient furnace. The apprentice: Allen Charles Edwards (ACE) – First-year mechanic. The technician: N. Arthur Thomas Egan (NATE) – ...
Residential gas-fired equipment is changing and so are the related codes. As efficiencies and energy factors creep up — whether organically or because of regulation — the installation processes and ...
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