Johnson Gas Models D-30 and D-40 Direct Vent Gas Fireplace Inserts
Company: Johnson Gas Appliance Company
| Product |
Direct Vent Gas Fireplace Insert |
| Brand Name |
Mendota |
| Description |
The model D-40 direct vent gas fireplace heater is designed to be installed in solid-fuel fireplaces (insert). It is equipped and operated with a piezo/standing pilot ignition system. The unit front contains a glass panel for viewing the flame and simulated wood logs. Venting consists of using a 4-in diameter collinear listed vent system. |
| Models |
D-40, D-30 |
| Model Similarity |
Model D-30 is a similar, but smaller version of the model D-40. The D-40 uses a two burner system, which one burner can be switched off with a solenoid. The D-30 is a one burner system. |
| Ratings |
120V, <1.5A, 60 Hz |
APPLIANCE RATINGS
| |
NATURAL GAS |
PROPANE |
| Model |
D-40 |
| Input rating (Btu/hr) 0-1370 m |
40,000 |
39,000 |
| Minimum input (Btu/hr) 0-1370 m |
27,000 |
22,500 |
| Orifice size (DMS) 0-1370 m |
30 |
49 |
| Manifold pressure (in. w.c./kPa) high |
3.5/1.7 |
10.0/6.3 |
| Manifold pressure (in. w.c./kPa) Low |
1.7/0.45 |
3.6/0.90 |
| Minimum inlet pressure (in. w.c./kPa) |
5.0/1.24 |
11.0/2.74 |
| |
NATURAL GAS |
PROPANE |
| Model |
D-30 |
| Input rating (Btu/hr) 0-1370 m |
30,000 |
29,000 |
| Minimum input (Btu/hr) 0-1370 m |
23,300 |
23,100 |
| Orifice size (DMS) 0-1370 m |
19,900 |
16,200 |
| Manifold pressure (in. w.c./kPa) high |
35 |
52 |
| Manifold pressure (in. w.c./kPa) Low |
3.5/0.85 |
10.0/2.5 |
| Minimum inlet pressure (in. w.c./kPa) |
1.7/0.45 |
3.6/0.9 |
| VENTING |
| Vent Type |
Collinear flex vent |
| Vent Size |
4-in intake, 4-in exhaust |
| Max. Vertical Length |
50-feet |
| Min. Vertical Length |
10-feet |
CLEARANCES TO COMBUSTIBLE CONSTRUCTION
| FIREPLACE CLEARANCES |
| Front sidewall |
8-in |
| Mantle |
12-in (with 8-in deep mantle) |
