Flex Vent Installation - Vermont Castings VWDV70 Installation And Operating Instructions Manual

70" linear wideview direct vent gas fireplace

Hide thumbs

Table Of Contents

Table of Contents

VWDV70 Series Gas Fireplace

1. Flexible UL1777 listed venting may be used in any

venting application where rigid direct vent components

can be used. all restrictions, clearances and allow-

ances that pertain to the rigid piping apply to the

flexible venting. Flex kits may not be modified. Flex

kits may be added to the end of a vent run made of rigid

vent sections using pipe manufacturer's approved flex

to pipe adapters. This may occur only if doing so does

not violate any of the venting length, height, routing,

horizontal to vertical ratio requirements or clearance

considerations detailed in this manual.

2. The flex adapter starter kit (DVFF8A/8) is used to attach

flex venting to the appliance starting collar. It includes

5" inner and 8" outer adapter rings. Figure 30

•

The inner and outer adapter rings are required to

start all flex runs.

•

Never install damaged or torn flexible venting.

•

Over tightening clamps may rip, tear, or otherwise

damage flexible venting.

•

The adapter kit does not include individual pipe sec-

tions which may be purchased separately. (UL1777

listed type venting only.)

3. Start the flexible vent as follows:

A. Installing the inner flex adapter and pipe. Figure

1. Insert the long side of the 5" inner ring into

exhaust pipe, gently tap to seat into place, and

secure with screws.

2. Slide the small gear clamp over the inner flexible

vent pipe, and push out of the way.

3. Pull and extend the inner flexible vent.

4. Slide the inner vent onto the adapter collar, for a

minimum 1

" overlap.

C\v

5. Locate the clamp at approximately 3/4" from the

flex end and tighten.

6. Secure the clamped inner section with three self-

tapping screws, drilled equidistant, just above the

clamp perimeter.

B. Installing the outer flex pipe. Figure 30

1. Firmly insert the 8" outer adapter ring into the

outer appliance starting collar and secure with

screws.

2. Slide the large gear clamp over the outer flexible

vent pipe, and push out of the way.

3. Pull and extend the outer flexible vent.

4. Slide the outer vent onto the appliance collar outer

adapter for a minimum 1

F l e x v e n t p i p e s p a c e r s : r e f e r t o

manufacturer's specifications for correct

positioning of the spacer springs to maintain

proper distance between inside and outside

pipe.

" overlap.

C\v