New Buck Corporation 91 User Manual

SECTION I 

The New Buck Corporation room heater Model 91 Bay 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.  This unit is not designed for installation into Mobile Home.  
This unit has been safety tested by ITS (Warnock-Hersey) to UL Standards 737 and 1482. 
 

 

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. 
 

 

WARNING: Model 91 Bay 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 by OPEN before the door is opened. 

Control: The blower control (Rheostat) is located on the side of the unit.  The rheostat is used to 

vary the speed of the blower.  It can be set at any position.  It must be turned on to activate the automatic 
thermostat on the stove. 

Controls:  The primary air intake draft controls are located at the left and right bottom side of 

the hearth.  They are operated  by moving the handle out  to open (to allow air into the firebox) or in (to 
control or close off) the air into the firebox.  Right side primary air and air wash control (3A).  Left side, (3), 
also called shot gun air control, allows air to the center of the firebox of the stove. 

Outlets:  Provides heat extraction from the top of the firebox. 

 Directs air flow around the unit for maximum heat transfer. 

Inlet:  Allows cool air near the floor to be circulated through the blower and back into the warm air 

chamber of the heater. 

7. Door:  Provides an “airtight” feature.  The door allows a much higher burning efficiency than can be 

obtained with an open firebox. 

Extension:  Offers protection from spilled ashes and cinders. 

Cord:  Provides electrical power to operate the blower. 

10. Catalyst:  Enables the unit to burn cleanly and efficiently. 
11. Catalyst Probe:  Probe is located to the right of the bypass damper rod.  It is used to determine (catalyst) 

temperature. 

12. Automatic/Off/Manual Switch:  Located at the bottom right corner of stove.  In the “Manual” position, the 

blower operates continuously.  In the “Automatic” position, the blower is controlled by the internal 
thermostat which reacts to the temperature of the air between the stove walls.  (Not the same as the 
temperature showing on the Catalyst Probe.) 

 

 

The Model 91 Bay catalytic solid fuel (wood) burning combination room heater/fireplace stove manufactured by 
New Buck Corporation complies with US 1482-1994 and UL 737-1995 for residential freestanding and masonry 
fireplace insert installations when constructed and installed in accordance with ITS approved documentation.