SECTION I
The New Buck Corporation room heater Model 20 is one of the safest and most efficient heating systems available when installed and operated as specified in these instructions and as stipulated on the operation and installation labels affixed to the unit. The unit is designed to burn wood fuel only.
Please read this entire manual before you install and use your new room heater. Failure to follow instructions may result in property damage, bodily injury, or even death.
Throughout the manual, you will see this symbol . 
This indicates areas of importance regarding safety. Please make a special note of these areas.
Install and use only in accordance with the manufacturer’s installation and operating instructions. Do not connect this unit to a chimney flue serving another appliance.
ROOM HEATER FEATURES
Before attempting to install or operate your heater, it is a good idea to familiarize yourself with the features and operating controls of the unit.
OPERATING CONTROLS
WARNING: Model 20 heater was not designed for fire grates.
1.Bypass Damper: The bypass damper control is located in the top center of the heater front just under the top. It is operated by pushing or pulling the rod. The damper is fully open when the handle is pulled out and fully closed when it is pushed in. The damper must be open before the door is opened.
2.Blower Control: The blower control switch is located behind the access door at the lower left hand side of the front of the unit. The unit has a
3.Primary Air Control: The primary air intake draft control is located on the upper portion of the unit next to the top extension. It is operated by moving up and down to control the amount of primary air entering the firebox.
4.Warm Air Outlets: Provides heat extraction from the top of the firebox.
5.Baffles: Directs air flow around the unit for maximum heat transfer.
6.Air Inlet: Allows cool air near the floor to be circulated through the blower and back into the warm air chamber of the heater.
7.Stand: Elevates heater above the floor for safety and a neat appearance.
8.Door: Provides an “airtight” feature. The door allows a much higher burning efficiency than can be obtained with an open firebox.
9.Hearth Extension: Offers protection from spilled ashes and cinders.
10.Power Cord: Provides electrical power to operate the blower.
11.Chimney Connector: Used to connect unit to chimney or direct connect kit.
12.Catalysts: Enables the unit to burn cleanly and efficiently.
13.Temperature Monitor: The location can be used for either a fireplace insert or freestanding installation. Monitor hole is located to the right of the damper rod on the front. Remove plug and insert probe provided by manufacturer.
14.Cover Door: Conceals blower, blower controls and ash pan.
15.Air Wash: Primary air is directed in such a way as to provide a “sweeping” airwash over the glass to assist in keeping it clean.
16.Ash Pan: Provides for easy ash removal
17.Outside Air Control: Allows for adjustment of the amount of outside air entering the unit (installations using outside air kit #P21B). Required in Mobile Home Installation.