White Mountain Hearth DVP42FP Installation Instructions And Owner's Manual page 36

Installing Vent Components (Figure 57)
Begin the vent system installation by installing the first Simpson
Duravent component, 90° elbow to the starting collars or straight
pipe on the top of the appliance, then the straight pipe length and
then horizontal or vertical termination kit.
NOTE: All outer connection joints must be sealed with aluminum
tape, screws or silicone sealant rated above 300°F/149°C. The
inner flue joints do not require any sealant.
Simpson Duravent vent system components lock into place by
Page 36
VENT SYSTEM IDENTIFICATION
Special Venting Components (Simpson Duravent)
See Empire Comfort Systems Retail Price List for Simpson Duravent part
numbers and pricing.
Figure 57
sliding the concentric pipe section with four (4) equally spaced
interior beads onto the appliance collar or previously installed
component end with four (4) equally spaced indented sections.
When the internal beads of each starting outer pipe line up, rotate
pipe section clockwise 90° (approximately 3 inches). The vent pipe
is now locked together.
Continue adding components per the pre-planned vent system
configuration. Be certain that each succeeding vent component
is securely fitted and locked into the preceding component in the
vent system.
WALL THIMBLE
(MAXIMUM OF
TWO 90 ELBOWS)
Available from Empire Comfort Systems, Inc. dealers.
DVVK-5RP
Direct-Vent Fireplace Vent Kit for Rear Vent, 6 to 12 inch wall
(DVVK-5R) thickness, Includes SD-1208, SD-1247, and SD-1284
DVVK-5TP Direct-Vent Fireplace Vent Kit for Top Vent, Thru-the-wall, 4 to 6 inch
(DVVK-5T) wall thickness, Includes SD-1290, SD-1284, SD-1208 and SD-1247
DVVK-5VP Direct Vent Fireplace Vent Kit - Vertical, Includes SD-1291, SD-1253,
(DVVK-5V) and SD-1243
DVVK-5TS Top Vent Kit (Horz.) - 4½" to 6" wall thickness (114.3mm to 152mm)
DVVK-5F Horizontal Flex Vent Kit (4' Flex) (1.22m)
(MAXIMUM OF
THREE 90 ELBOWS)
Special DV Vent Kits
21759-6-0608