Intertek Directory of Building Products

Johnson Gas Model ML48 Direct Vent Gas Fireplace Company: Johnson Gas Appliance Company

Product Direct Vent Gas Fireplace
Brand Name Mendota
Description The model ML48 is a direct vented gas fireplace suitable for use with natural gas or propane. The unit is factory installed for use with natural gas. A gas appliance conversion kit is provided to convert the fireplace to propane.
The model ML48 feature an automatic intermittent/standing pilot ignition system. A remote control is provided with the appliance to turn the fireplace off and on.
Overall dimensions for the model ML48 are 56.875-in wide by 44-in tall by 18.625-in deep.
Models ML48
Model Similarity None
Ratings 115V, >3.5A, 60Hz
 
  NATURAL GAS PROPANE
Model                             ML48
Input rating(Btu/hr) 0-610 m 41,000 41,000
Input rating(Btu/hr) 610-1370 mm 41,000 41,000
Minimum input (Btu/hr) 0-1370 m 27,900 33,400
Orifice Size(DMS) 0-610 m 1/8” 48
Orifice Size(DMS) 610-1370 m 1/8” 48
Manifold pressure (in. w.c./kPa) normal 3.5/0.87 10.0/2.50
Manifold pressure (in. w.c./kPa) reduced 1.6/0.40 6.4/1.64
Manifold pressure (in. w.c./kPa) 610-1370m 4.4/1.1 11.9/2.96
Minimum inlet pressure (in. w.c./kPa 5/1.24 11.0/2.74
Air shutter settings (in) 1/8” 3/8”
 
VENTING
Vent Type Coaxial
Vent Size 5-in intake, 8-in exhaust
Max. Vertical Length 40-feet
Min. Vertical Length 10-feet
Max. Horizontal Length 32-feet
Min. Horizontal Length 0-inches
Max. Horizontal Length at Min. Vertical Length 12-in horizontal from 9-in rise with 90° elbow
Min. Vertical Length at Max. Horizontal Length 4-feet vertical from 90° elbow and 32-feet horizontal.
Max. Number of Elbows 4

CLEARANCES TO COMBUSTIBLE CONSTRUCTION
FIREPLACE CLEARANCES
Front sidewall 18-in
Mantle (from floor) 45-in (with 8-in deep mantle)
Top stand-offs (enclosure) 0-in
Sides (enclosure) 0.5-in
Back (enclosure) 0.5-in
Listing Report Return to Search
Attributes
CriteriaANSI Z21.88 / CSA 2.33 (2019) (R2024)
CSI Code10 30 00 Fireplaces and Stoves
Fuel TypePropane
Fuel TypeNatural Gas
Listing SectionGAS-FIRED VENTED ROOM HEATERS
Spec ID75690
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