Intertek Directory of Building Products

Johnson Gas Appliance Model DXV-42 Direct Vent Gas Room Heater Company: Johnson Gas Appliance Company

PRODUCT DESCRIPTION
Product Direct Vent Gas Fireplace Heater
Brand Name Mendota
Description The model DXV 42 is a gas-fired direct vent room heater designed to be built into surrounding construction.  It is equipped and operated with a standing pilot/piezo ignition system.  The unit front contains a glass panel for viewing the flame and simulated wood logs.  Dura Vent GS piping is used for the inlet air/exhaust system.
Models DXV-42
Model Similarity None
Ratings 120V, <1.5A, 60 Hz

APPLIANCE RATINGS
  NATURAL GAS PROPANE
Model DXV-42
Input rating (Btu/hr) 0-610 m 50000 50000
Maximum output (Btu/hr) 0-610 m 36600 38300
Minimum input (Btu/hr) 0-610 m 15800 16200
Orifice size (DMS) 0-610 m  F/R 35/43 54/51
Input rating (Btu/hr) 610-1370 m 48000 47600
Orifice size (DMS) 610-1370 m  F/R 36/44 55/52
Manifold pressure (in. w.c./kPa) 3.5/0.87 10/2.49
Manifold pressure, Low setting (in. w.c./kPa) 0.9/0.22               2.8/0.70       
Minimum inlet pressure (in. w.c./kPa) 5/1.25 11/2.74
Minimum air shutter settings in (mm) F/R 0.125/0.125 (3.2/3.2) 0.375/0.25 (9.5/6.4)
 
  NATURAL GAS PROPANE
Model DXV-42
Input rating (Btu/hr) 0-1370 m 40,000 38,500
Minimum input (Btu/hr) 0-1370 m 27,200 21,700
Orifice size (DMS) 0-1370 m 30 48
Manifold pressure (in. w.c./kPa) high 3.5/0.85 10.0/2.5
Manifold pressure (in. w.c./kPa) Low 1.7/0.45 3.6/0.9
Minimum inlet pressure (in. w.c./kPa) 5/1.25 11/2.74
 
VENTING
Vent Type Coaxial
Vent Size 4-in intake, 6 5/8-in exhaust
Max. Vertical Length 36-feet
Min. Vertical Length 10-feet
Max. Horizontal Length 12-feet
Min. Horizontal Length 6-inches
Max. Horizontal Length at Min. Vertical Length 6-in horizontal from 17-in rise with 90° elbow
Min. Vertical Length at Max. Horizontal Length 4-feet vertical from 90° elbow and 12-feet horizontal.
Max. Number of Elbows 4

CLEARANCES TO COMBUSTIBLE CONSTRUCTION
FIREPLACE CLEARANCES
Front sidewall 4-in
Mantle (from discharge air opening) 9-in (with 8-in deep mantle)
Top stand-offs (enclosure) 0-in
Sides (enclosure) 0-in
Back (enclosure) 0-in
Listing Report Return to Search
Attributes
CriteriaANSI Z21.88 (2019) (R2024)
CSI Code10 30 00 Fireplaces and Stoves
Fuel TypePropane
Fuel TypeNatural Gas
Listing SectionGAS-FIRED ROOM HEATERS - VOLUME 1 - VENTED ROOM HEATERS
Spec ID13308
Design Documents
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