7
Hearth & Home Technologies • B41L-AU Owner Manual • 2570-981 Rev. B • 5/20
A. Appliance Certification
2
2
Product Specific Information
C. Glass Specifications
This appliance is equipped with 5 mm tempered glass.
Replace glass only with 5 mm tempered glass. Please
contact your dealer for replacement glass.
MODEL:
B41L-AU
LABORATORY:
IAPMO OCEANA
TYPE:
Direct Vent Heater
STANDARD:
AS/NZS 5263.1.8
Installation and service of this appliance should be performed by
qualified personnel. Hearth & Home Technologies recommends
HHT Factory Trained or NFI certified professionals.
THE GUARD IS FITTED TO THIS APPLIANCE
TO REDUCE THE RISK OF FIRE OR INJURY
FROM BURNS AND NO PART OF IT SHOULD
PERMANENTLY BE REMOVED. FOR PROTEC-
TION OF YOUNG CHILDREN OR THE INFIRM.
A SECONDARY GUARD IS REQUIRED.
The Hearth & Home Technologies gas appliances discussed
in this Installer’s Guide have been tested to certification
standards and listed by the applicable laboratories.
This appliance must be installed in accordance with the AS/
NZS 5601.1 rules in force.
B. Gas Pressure Requirements
Gas types only through field conversions.
* The allowable Outlet (Manifold) Gas Pressure ranges are: Natural Gas 0.63 - 0.95 kPa (0.76 kPa nominal) and Propane
2.37 - 2.61 kPa (2.40 kPa nominal). Certification testing setpoint values are shown.
Natural Gas
Propane
Inlet Gas Pressure
1.13 - 3.40 kPa
2.75 - 3.40 kPa
* Outlet (Manifold) Gas Pressure
0.76 kPa
2.40 kPa
Nominal Gas Consumption
20.0 MJ/h
20.0 MJ/h
Burner Injector
#44 DMS (2.18 mm)
#55 DMS (1.32 mm)
Pilot Injector
Ø
.023 (.584 mm)
Ø
.014 (.356 mm)