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PYROMASTER@ UVHB26 Vent-Free Heaters
DESCRIPTION
The UVHB vent-free heaters is designed to be
installed into a FPS1212 or FPS1214 mantel
cabinet only. It may not be installed in any other
manner.
The UVHB26 is available in Natural or Propane
gas, equipped with an oxygen depletion sensor
with a standing pilot.
MINIMUM CLEARANCES
Minimum clearance to combustibles are main-
tained when the UVHB26 is installed into the
FPS1212 or FPS1214 mantel cabinets. Top of unit
to ceiling minimum 42 inches.
. GAS SUPPLY PRESSURES
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This heater must be isolated from the gas supply
piping system by closing its individual manual
shut-off valve during any pressure equal to or less
than 1/2 psig (3.45 kPa).
The heater and its individual shut-off valve must
be disconnected from the gas supply piping
system during any pressure testing of that system
at test pressures in excess of 1/2 psig (3.45 kPa).
Table 1. Gas supply pressures.
HIGH ELEVATION DERATING
Input ratings are shown in BTU per hour and are
for elevations up to 4,500 (1370m) feet.
For elevations above 4,500 (1370m) feet, ratings
should be reduced at the rate of four (4) percent
for each 1,000 feet above sea level.
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GAS SPECIFICATIONS
Fig. 2. Gas spectications.
PLANNING
Planning the installation is an important first step:
it will save time and money later in the actual
installation. In planning the installation, consider:
1. Where the heater will be located.
2. All components needed to complete the
project.
5
NATURAL
LP
Inlet Minimum
4.5"W.e.
11"W.e.
Inlet Maximum
10.5" w.e.
13"W.e.
Input Adjustment
7.0"W.e.
11"W.e.
Manifold Pressure
3.5"W.e.
10"W.e.
Model Fuel Gas Control
Max. Min.
Input Input
B.T.U.H.
B.T.U.H.
UVHB26RN Natural MillivoltsHi/lo
26,000
18.200
UVHB26RP
Propane
MillivoltsHi/lo
26,000 19,500