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WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM HEATERS
Water vapor is a by-product of gas combustion. An unvented room heater produces
approximately one (1) ounce (30 mL) of water for every 1,000 BTUs (.3 kw) of gas input
per hour. Use an unvented room heater as a supplemental heater (a room) rather than a
primary heat source (an entire house). In most supplemental heat applications, the water
vapor does not create a problem. In most applications, the water vapor enhances the low
humidity atmosphere experienced during cold weather.
The following steps will help ensure that water vapor does not become a problem:
1. Be sure the heater is the proper size for the application, including adequate
combustion air and circulation air.
2. If there is high humidity, the dehumidifier may be used to help lower the water vapor
content of the air.
3. Do not use an unvented room heater as the primary heat source.
PREPARING FOR INSTALLATION
Before beginning assembly or operation of the product, make sure all parts are present.
Compare parts with package contents list. If any part is missing or damaged, do not at-
tempt to assemble, install, or operate the product. Contact customer service for
replacement parts.
Before installing heater, make sure you have the items listed below: (Not supplied)
• piping (check local codes)
• sealant (resistant to natural gas and propane/LP gas)
• equipment shutoff valve*
• test gauge connection*
• sediment trap
• tee joint
• pipe wrench
• flexible gas hose (check local codes)
* A CSA design-certified equipment shutoff valve with 1/8-inch NPT tap is an acceptable
alternative to test gauge connection. Purchase the optional CSA design-certified
equipment shutoff valve from your dealer.
UNPACKING
1. Remove heater from carton.
2. Remove all protective packaging applied to heater for shipping
3. Check heater for any shipping damage. If heater is damaged, promptly inform
dealer where you bought heater.
