Williams
Wall and floor furnace mainstay: the standing-pilot wall furnace heating a 1960s apartment is very often a Williams. Combustion-first service — and the CO discipline in the safety triage is written for exactly these calls.
What they make
Wall / floor furnace
Reference for nowThe in-wall or in-floor gas heater holding down older apartment stock and small homes — often decades old, often standing-pilot, always combustion-first service.
Combustion-side equipment the sim doesn’t model yet. What absolutely applies: the safety triage — gas odor and CO discipline in the guided flow are written for exactly these calls.
Tech support
The Copilot loads your Williams equipment details. Guided diagnostic coverage depends on the equipment type; ductless and monoblock systems currently use the reference library.
Model-number decoding here covers residential and multi-family split systems and package units, 5 tons and under — Williams equipment lives outside that scope, so the manufacturer’s literature leads on model specifics. The Copilot still loads the brand for a guided session.
Start tech support — Williams loaded →