General Information
900923-00A, 09/2019
Innovative Hearth Products
Aries™ Direct-Vent Fireplaces
9
BTU Input
Models
Input Rate (BTU/HR)
Natural Gas
Propane Gas
33” Models
12,000
10,000
Table 1 - Input Rate, Gas Valves
Table 2 - Thermal Efficiency (%)
Gas Pressure
Fuel
Minimum
Maximum
Natural Gas
5” WC / (1.25 kPa)
10.5” WC / (2.61 kPa)
Propane
11.0” WC / (2.74 kPa)
13.0” WC / (3.23 kPa)
Table 3 - Inlet Gas Supply Pressure
Fuel
Pressure
Natural Gas
3.5” WC / (0.87 kPa)
Propane
10.0” WC / (2.49 kPa)
Table 4 - Manifold Gas Supply Pressure
Test gauge connections are provided on the front of the millivolt and electronic gas control valve (identified IN for the
inlet and OUT for the manifold side). The control valves have a 3/8” (10 mm) NPT thread inlet and outlet side of the
valve
(
Figures 1
and
2
)
.
Figure 1 - Millivolt Gas Valve
Figure 2 - Electronic Gas Valves
Propane tanks are at pressures that will cause damage to valve components. Verify that the tanks have step down
regulators to reduce the pressure to safe levels.
The appliance and its appliance main gas 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 psi (3.5 kPa).
The appliance must be isolated from the gas supply piping system by closing its equipment shutoff valve during
any pressure testing of the gas supply piping system at test pressures
equal to or less than
1/2 psi (3.5 kPa).
Model
Millivolt
Electronic
AFUE *
P4 **
AFUE *
P4 **
33” Models
64
60.4
64
64.8
* AFUE is a measurement of the US Department of Energy,
** Complies with CSA P.4.1-2015 “Testing Method for Measuring Annual Fireplace Efficiency. P4 (EnerGuide) is a measurement of the
Canadian Office of Energy Efficiency.
NOTE:
Efficiencies are based on the most commonly used F1797 termination.
Based on CSA P.4.1-2015
