3
1.0 INTRODUCTION
1.1 Specifications
TABLE 1
ITEM
NATURAL GAS (NG)
PROPANE (LPG)
INPUT: Hi
31,000 Btu/hr (9.08 kW)
31,000 Btu/hr (9.08 kW)
INPUT: Lo
21,000 Btu/hr (6.15 kW)
24,000 Btu/hr (7.03 kW)
MANIFOLD PRESSURE: Hi
3.5” w.c. (0.82kPa) 10.0”
w.c.
(2.49kPa)
MANIFOLD PRESSURE: Lo
1.7” w.c. (0.42kPa)
6.3” w.c. (1.37kPa)
Minimum: 5.0” w.c. (1.2 kPa)
Minimum: 12” w.c. (2.99 kPa)
GAS INLET SUPPLY
PRESSURE:
Maximum: 13.5” w.c. (3.4 kPa)
Maximum: 14” w.c. (3.49 kPa)
ORIFICE SIZE: @ 0-4500’
# 36 DMS (0.107”) (2.71mm)
# 52 DMS (0.063”) (1.60mm)
AIR SHUTTER OPENING
**Closed to 25% open
**75% open
CONTROL VALVE TYPE:
Honeywell or SIT 820 Nova
Honeywell or SIT 820
VENTING
Simpson « Dura-Vent »,
*Security « Secure Vent » or
Selkirk « Direct Temp »
Simpson « Dura-Vent »,
*Security « Secure Vent » or
Selkirk « Direct Temp »
FAN
Variable Speed (120 Volt)
Variable Speed (120 Volt)
* Not for use with Security 36” snorkel.
** May vary (±25%) depending on the installations. Judgment of installer is required.
This heating unit must serve as a supplementary heat source. An alternative heat source should be available in the home if needed.
The manufacturer cannot be responsible for additional heating costs associated with the use of an alternative heat source.
It is highly recommended that the user buys this product from a retailer who can provide installation and maintenance advices.
REGISTER YOU WARRANTY ONLINE
To receive full warranty coverage, you will
need to show evidence of the date you
purchased your stove. Keep your sales
invoice. We also recommend that you
register your warranty online at
www.osburn-mfg.com
Registering your warranty online will help us
track rapidly the information we need on your
stove.
Summary of Contents for BRITANNIA 31
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