Vertical Wall Exit Using Dvl Close Clearance Pipe ,And Elbow /Listed 2100° Ul 103 Ht Chimney And T-Box Assembly W/Out Close Clearance/Pipe Shields - BuckMaster Model 21 Features Preparations Installation Operation Maintenance Safety

HOW TO LOCATE CHIMNEY EXIT AND INSTALL
Residential and Mobile Home Installation
D. Vertical Wall Exit using (6" DVL Close Clearance Pipe and Elbow and any Listed
2100° UL HT chimney and Listed 2100° UL HT T-Box assembly).
Without optional close clearance shield and pipe shield.
NOTE: For minimum clearances (See Page 22, Figure 13).
1. Mark the plumb line on wall directly behind center of heater.
(See Page 22, Figure 14).
NOTE: When using DVL Close Clearance Pipe, maintain manufacturer's minimum
clearances between pipe and ceiling.
2. Place vertical portion of heater pipe and elbow in position and project a point onto plumb
line level with center of elbow.
3. Measure up so there will be at least 1/4" rise per foot of horizontal connector pipe,
maintaining clearances to ceiling as noted in (Page 21,Figure 14). This will give you
center of hole for chimney penetration.
4. After locating center of penetration, install the tee-box and chimney, as per chimney
manufacturer's specifications.
5. Connect the DVL close clearance pipe to tee-box, per manufacturer's instructions,
DVL close clearance pipe is to be connected with (3) sheet metal screws or rivets to
connector collar on heater (See Page 22,Figure 14).
6. NOTE: If your local code requires outside air for residential installation, refer to pages
13-14 for outside air installation.
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