Hearth
A hearth is not mandatory but is recommended for aesthetic purposes. We recommend a noncombustible hearth which projects out 12” (305mm) or more from the front of the fireplace.
Cold climate installation recommendation:
When installing this unit against a
Framing and Finishing
Check fireplace to make sure it is levelled and properly positioned.
To mount the appliance:
1.Choose the location.
2.This unit comes with four (4) flanges
3.Bend the desired flanges out 90° on both sides of the fireplace. Slide the fireplace into the framed opening until the flanges contact the front surfaces of the framing. Level the unit and secure it firmly in place.
Flange | Drywall | Flange Location for |
Position | Depth | Desired Drywall Depth |
A1/2” / 13 mm
B 5/8” / 16 mm
A B
FP1539
Fig. 4 Nailing flanges.
Final Finishing
Noncombustible materials such as brick or tile may be extended over the edges of the face of the fireplace. DO NOT cover any vent or grille panels.
If a Trim Kit is going to be installed on the fireplace, the brick or tile will have to be installed flush with the edges of the fireplace.
LDVR Series Direct Vent Gas Fireplace
Gas Specifications
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| Max. | Min. | Air |
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| Gas | Input | Input | Shutter |
Model | Fuel | Control | BTU/h | BTU/h | Adj. |
33LDVRRN | Nat | Millivolt | 16,000 | 11,200 | 3/16” |
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| Open |
33LDVRRP | Prop | Millivolt | 16,000 | 12,000 | Fully Open |
33LDVREN | Nat | 24V | 16,000 | 11,200 | 3/16” |
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| Hi/Lo |
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| Open |
33LDVREP | Prop* | 24V | 16,000 | 12,000 | Fully Open |
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| Hi/Lo |
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36LDVRRN | Nat | Millivolt | 19,500 | 13,650 | Top & |
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| Bottom |
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| Hole Half |
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| Closed |
36LDVRRP | Prop | Millivolt | 19,500 | 14,625 | Fully Open |
36LDVREN | Nat | 24V | 19,500 | 13,650 | Top & |
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| Hi/Lo |
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| Bottom |
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| Hole Half |
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| Closed |
36LDVREP | Prop* | 24V | 19,500 | 14,625 | Fully Open |
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| Hi/Lo |
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39LDVRRN | Nat | Millivolt | 23,000 | 16,100 | Top & |
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| Bottom |
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| Hole Half |
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| Closed |
39LDVRRP | Prop* | Millivolt | 22,500 | 16,875 | Fully Open |
39LDVREN | Nat | 24V | 23,000 | 16,100 | Top & |
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| Hi/Lo |
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| Bottom |
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| Hole Half |
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| Closed |
39LDVREP | Prop* | 24V | 22,500 | 16,875 | Fully Open |
43LDVRRN | Nat | Millivolt | 26,000 | 18,200 | Top & |
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| Bottom |
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| Hole Half |
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| Closed |
43LDVRRP | Prop* | Millivolt | 24,000 | 18,000 | Fully Open |
43LDVREN | Nat | 24V | 26,000 | 18,200 | Top & |
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| Hi/Lo |
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| Bottom |
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| Hole Half |
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| Closed |
43LDVREP | Prop* | 24V | 24,000 | 18,000 | Fully Open |
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| Hi/Lo |
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*Using conversion kit |
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Gas Inlet and Manifold Pressures
| Natural | LP (Propane) |
Inlet Minimum | 5.5” w.c. | 11.0” w.c. |
Inlet Maximum | 14.0” w.c. | 14.0” w.c. |
Manifold Pressure | 3.5” w.c. | 10.0” w.c. |
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10007317 | 7 |