Williams Furnace 4318 User Manual

Garage  
Furnaces  
Attractive styling,  
economical and safe  
heating comfort with these  
popular garage furnaces!  
Williams' compact, space-saving direct-vent  
furnaces feature low-cost installation.  
These models feature a sealed combustion  
chamber, which requires no inside air for  
operation. . . making them an ideal choice  
for adding comfort to your garage, workshop  
or virtually anyplace where heat is needed.  
With one of these popular garage furnaces,  
create a comfortable and safe area to work  
or park your car.  
Direct-Vent  
These totally automatic direct-vent models are  
thermostatically controlled. Their attractive  
styling is a durable scratch-resistant, soft-white,  
epoxy powder-coat finish.  
40,000 - 62,500 Btu/hr  
Direct-Vent Counterflow  
Equipped with counterflow blower system to circulate  
ceiling-to-floor warm air. Equipped with four-foot  
service cord.  
Design Features  
"Matchless" pilot igniter  
Easy installation -- all vent material included  
Multi-room heating with optional outlet kit  
(Counterflow models)  
Attractive, durable scratch and abrasion  
resistant epoxy powder-coat, soft-white finish.  
Natural and propane models (Conversion kits  
available)  
14,000 - 30,000 Btu/hr  
These models require no electricity – great  
during power outages. Provided with long-  
life, ceramic-coated combusDtioownnlocahdafrmombWewrsw..Somanuals.com. All Manuals Search And Download.  
Garage Furnaces  
Btu/hr Btu/hr  
Input Output  
Rating Rating  
Maximum  
Type  
of  
Control  
Model Number  
Efficiency %  
Dimensions  
Shipping Weight  
(lbs.)  
Wall  
Natural Propane  
Thermal AFUE Width  
Depth  
Height  
Thickness*  
1403622 1403621 14,000 10,039  
2203622 2203621 22,000 16,462  
3003622 3003621 30,000 21,849  
76.0  
75.0  
73.0  
63.0  
67.0  
66.0  
18"  
7"  
26¾"  
28"  
24"  
24"  
24"  
Millivolt Wall  
Millivolt Wall  
Millivolt Wall  
56  
98  
32"  
32"  
10¼"  
10¼"  
28"  
100  
Direct-Vent Counterflow with Electrical Service Cord  
Conversion Kit Available  
14"  
14"  
14"  
14"  
77"  
77"  
87"  
4007332‡ 4007331‡ 40,000 32,000  
4007732 4007731 40,000 32,000  
5507332‡ 5507331‡ 55,000 44,000  
6257732 6257731 65,500 50,000  
80.0  
80.0  
80.0  
80.0  
75.0  
75.0  
76.0  
76.0  
11¾"  
11¾"  
11¾"  
11¾"  
24"  
24"  
24"  
24"  
24V Wall  
126  
126  
140  
140  
24V Wall  
24V Wall  
24V Wall  
87"  
All models have ½" gas connection · All models are rated for 4,500' elevation.  
* Venting shipped with furnace for 5-9" wall thickness, 24" wall thickness available with use of extension accessories.  
‡ Intermittent ignition  
Accessories  
Features  
Direct-Vent Safety  
High-Capacity Blower  
For clean, comfortable  
heat when and where  
you want it. The gas  
flame is completely  
sealed inside, away from  
all contact with room air.  
Air necessary for  
combustion is drawn into  
the chamber from  
outside through direct  
wall vent, and all  
Blower is easily added to the furnace. Comes with a fully automatic fan switch.  
115V power supply required · 6 lbs.  
Model 2302 for 22,000 and 30,000 Btu/hr  
COMBUSION  
PRODUCTS  
VENTED  
Air Circulation Pattern  
WARM ROOM AIR  
TO OUTSIDE  
Model 2303 for 14,000 Btu/hr  
2302  
Side Outlet Accessories - Allows heat to be ducted into a side room.  
6801 Side-Outlet Register with 10" Boot and Damper for counterflow models · 11 lbs.  
6802 Side-Outlet Grille for counterflow models · 2 lbs.  
Front Diffusing Grilles  
RADIANT EXT  
HEAT  
A snap-on grille used to divert heat to the right, left or both directions for  
counterflow models only.  
COMBUSION  
AIR FROM  
OUTSIDE  
combustion products are  
vented directly to the  
outside. Only clean,  
gentle heat, in  
6703 Two-Directional Diffuser Grille · 3 lbs.  
6704 One-Directional Diffuser Grille · 3 lbs.  
6703  
6703  
4318  
6704  
INSIDE  
Venting Accessories  
4318 Vent Shield Deflector · Insulated, galvanized metal sheet · 4 lbs.  
9301 15" Vent Extension for 22 and 30,000 Btu/hr Furnaces · 7 lbs.  
9302 24" Vent Extension for 22,000 Btu/hr Furnaces · 10 lbs.  
9303 24" Vent Extension for 14 and 30,000 Btu/hr Furnaces · 10 lbs.  
9304 15" Vent Extension for 14,000 Btu/hr Furnaces · 7 lbs.  
continuous circulation is  
delivered into the room.  
Windows and doors can  
stay closed because no  
room air is used for  
combustion.  
COOL ROOM AIR  
OUTSIDE  
9307 Thin Wall Collar · Wall thicknesses from 1" to 5" · 4 lbs.  
9308 Vent Cap Guard · Protects pedestrian traffic from heat of the vent cap · 3 lbs.  
9806 Counterflow Direct-Vent Tube Extension - 12" Length · 11 lbs.  
9807 Counterflow Direct-Vent Tube Extension - 15" Length · 11 lbs.  
9808 Counterflow Direct-Vent Tube Extension - 24" Length · 11 lbs.  
"Matchless" Pilot Igniter  
All models include a "matchless" pilot igniter and a glass observation  
door. Assures convenient pilot lighting without matches.  
Finish Items  
4701 Trim Strip Accessory · Metal finish moulding strips painted the same color as the  
furnace · 4 lbs.  
Automatic Thermostat - Included with all Models  
4701  
Conversion Kits - Current models only · 1 lb.  
Contemporary Finish  
Natural to  
Propane to  
Natural  
8928  
Light, soft-white powder-coat, scratch-resistant finish to blend  
with any décor.  
Btu Size Propane  
14,000  
22,000  
30,000  
40,000  
55,000  
62,500  
8925  
8926  
8927  
7686  
7688  
7689  
8929  
8930  
7693  
7695  
"Bird Guard"  
All vent caps include built-in "Bird Guard".  
8925  
7696  
7696  
High Altitude Models  
Dimensions and Clearances  
Hard Wire Adapter - Model 9940  
Direct-Vent (14/22/30 Series)  
2" from intersecting wall  
18" from top of appliance to ceiling/overhang for 14,000 Btu/hr models  
24" from top of appliance to ceiling/overhang for 22,000 and 30,000  
Btu/hr models  
Important  
· Read owner's manual before using/installing.  
Direct-Vent Counterflow (40/55/62 Series)  
4" from intersecting wall  
4" from top of appliance to ceiling/overhang  
0" to finished floor  
· Photographs are representative.  
· Check local codes and ordinances for permitted uses.  
· Consult installation manual for clearances prior to installation.  
· We reserve the right to amend product specifications without notice.  
· Installation and servicing recommended by a qualified service person.  
· Venting must comply with the installation manual.  
18" from centerline of vent cap on all sides  
· New York approval MEA197-82E Vol 111 on direct-vent models only.  
· Massachusetts approval G3-0305-171  
· Please read the warranty for any limitations for disclaimers.  
· Combustion chamber carries a ten-year limited warranty. All other  
parts carry a one-year limited warranty.  
250 West Laurel Street · Colton, California 92324 USA  
(909) 825-0993 · Fax: (909) 370-0581 or (909) 824-8009  
Homeowner Assistance: (909) 426-0978  
© 2006 Williams Furnace Co.  
Printed in U.S.A.  
All Rights Reserved  
L1171 5/06  
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