Williams 400 Series 产品宣传页

Williams’ “through-the-wall or through-the-
window” gas furnace is an unobtrusive, 
self-contained direct-vent system that 
installs easily and quickly using a unique 
slide-in/slide-out chassis.  This design 
feature also makes servicing easy.

The quiet centrifugal blower system 
delivers warmth evenly throughout the 
room.  Our compact system offers heating 
comfort and economical operation.

Window installed models can be 
conveniently removed during the cooling 
season.

‰ Compact design saves living space
‰ Great for additions, apartments and propane 

models are approved for mobile homes

‰ Thermostat mounts on wall or unit
‰ Front or rear gas connection increases installation 

flexibility

‰ Dependable solid state ignition
‰ Automatic temperature and safety controls
‰ Natural and propane gas models

Compact

Heating

System

installed in

window

A compact, efficient

and versatile heating

system for add-on 

rooms, apartments and

homes!