State PR6 40 NHDST2 - Manual (Page 12)

12
Installing the New Water Heater (cont’d)
Roof Jack Installation (cont’d)
5. Use sealant or caulk on the roof to seal under the
flashing of the roof jack assembly. Use roof nails or
screws on wood construction or sheet metal screws on
metal roofs (nails and screws not provided).
USE SEALANT OR
CAULK TO SEAL
UNDER ROOF
JACK FLASHING
6. Remove the paper backing from the 1 1 ⁄
2
″ x 9
3 ⁄
4
″ woven
tape seal (found attached to the heater top) and apply
the seal around the flue collar of the water heater.
7. Extend the flue pipe down close to the water heater
flue collar.
FLUE PIPE
FLUE COLLAR
FLUE PIPE
WOVEN TAPE
SEAL
8. Slide the securing clamp over the bottom of the flue
pipe and pull the pipe down over the flue collar.
Locate vent securing clamp in top and secure clamp
with sheet metal screw. Tighten nut and bolt of clamp
until flue pipe is tight in clamp.
NOTE: All joints for vent piping between roof jack and
water heater are sealed from the manufacturer. No addi-
tional sealing of vent pipe is necessary.
NOTE: An optional Rool Jack Extension Pipe (9002588) is
required when the roof pitch is 5/12 or greater, or where
local codes require the roof jack cap (outlet) terminate
above the peak of the roof.