Owners Manual

VENTED ROOM HEATERS 21
All installations in the State of Massachusetts must use
the following requirements when installing, maintaining
or operating direct-vent propane or natural gas-fired
space heaters.
For direct-vent appliances, mechanical-vent heating
appliances or domestic hot water equipment, where the
bottom of the vent terminal and the air intake is installed
below four feet above grade the following requirements
must be satisfied:
1. If there is not one already present, on each floor level
where there are bedroom(s), a carbon monoxide
detector and alarm shall be placed in the living area
outside the bedroom(s). The carbon monoxide detector
shall comply with NFPA 720 (2005 Edition).
2. A carbon monoxide detector shall be located in the
room that houses the appliance or equipment and shall:
a. Be powered by the same electrical circuit as the
appliance or equipment such that only one
service switch services both the appliance and the
carbon monoxide detector.
b. Have battery back-up power;
INSTALLATIONS IN THE STATE
OF MASSACHUSETTS
c. Meet ANSI/UL 2034 Standards and comply with
NFPA 720 (2005 Edition); and
d. Have been approved and listed by a Nationally
Recognized Testing Laboratory as recognized under
527 CMR.
A CARBON MONOXIDE DETECTOR SHALL:
a. Be located in the room that houses the appliance or
equipment;
b. Be either hard-wired or battery powered or both; and
c. Shall comply with NFPA 720 (2005 Edition).
3. A product-approved vent terminal must be used,
and if applicable, a product-approved air intake must
be used. Installation shall be in strict compliance with
the manufacturer’s instructions. A copy of the installation
instructions shall remain with the appliance or
equipment at the completion of the installation.
4. A metal or plastic identification plate shall be mounted
at the exterior of the building, four feet directly above
the location of vent terminal. The plate shall be of
sufficient size to be easily read from a distance of
eight feet away, and read “Gas Vent Directly Below”.
If your furnace fails to work correctly, you may avoid the
inconvenience and cost of a service call by checking the
troubleshooting section on page 30 before you call
for service.
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
DO NOT store or use gasoline or other flammable vapors
and liquids in the vicinity or this or any other appliance.
HOW TO ORDER REPAIR PARTS
When ordering repair parts, always give the following
Information:
1. MODEL NUMBER
2. MFG. DATE CODE
3. PART NUMBER
4. PART DESCRIPTION
All parts listed herein may be ordered from your equipment
supplier. The Model Number of your Williams wall furnace
will be found on the nameplate near gas valve, inside control
compartment.
WHAT TO DO IF YOU SMELL GAS
• Open all of the windows.
• Do not try to light any appliance.
• Do not touch any electrical switch.
• Do not use any phone or cell phone in your building.
• Extinguish any open flame.
• Immediately call your gas supplier from a neighbor’s
phone. If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
HINTS AND INFORMATION