Vermont Castings UVS27
On/Off Switch Wiring
OFF ON
Black | opile |
TP/TH | Therm |
TP
Black
TH
ST124b
Optional Thermostat/Remote Wiring
Thermostat/Remote
(Optional)
Glass & Catalyst Installation
CAUTION: Air shutter on Natural Gas units must be adjusted when installing glass and catalyst for proper operation. LP units do not use an air shutter.
1.Remove screen. (Fig. 18) Remove rear, left and right log bracket assembly by unfastening the two screws which hold the burner in place.
Screen Hooks
ST713
Fig. 18 Remove screen.
Black
TP/TH
TP
TH
opile Therm 
Black
2. | Hold the burner at the right hand side and lift to clear |
| the right burner leg. Then pull to the right to clear the |
| injectors on the left hand side. |
3. | Turn burner upside down and remove air shutter. |
| Turn air shutter upside down and replace on burner. |
| (Fig. 19) |
4. | Replace burner. Slide the burner in at an angle with |
| left side lower than the right side. Slide the left side |
| onto the injectors, making sure the burner leg |
ST124c
Fig. 17 ON/OFF switch and optional Thermostat/Remote wiring.
remains at a 90° angle to the base. (Fig. 20) Lower |
the right hand side down in to place. Make sure the |
burner is as far left as possible and the injector |
Thermostat Connection (Optional)
Use only a thermostat rated for 500 - 750 millivolts. Do not use low voltage (24V) thermostats.
Check the table below for the appropriate gauge thermostat wire to use for the length of lead required in your installation.
Thermostat Wire / Gauge | Maximum Run |
18 | 40 feet |
20 | 25 feet |
22 | 16 feet |
1.Install the wall thermostat in the desired location and run the wires to the stove location. Terminate these leads with 1/4” female connectors.
2.Connect the thermostat wires to the valve. (Fig. 17)
Air Shutter as Shipped from Factory |
Bottom of Burner Pan |
Air Shutter Turned Upside Down |
ST667 |
Fig. 19 Remove air shutter, turn upside down and replace.
12 | 20005004 |