Patterson-Kelley P-K STORM ST-8000 Installation And Owner's Manual page 49

®
STORM Category II/IV:
Through-the-roof (exhaust only)
Acceptable termination fittings:

Downward elbow

Horizontal tee

Velocity cone
(1" x 1" bird screen recommended)
Motorized
combustion air
damper
Loop/trap for condensate or rain
water disposal (pipe to drain)
Revised: February 2, 2024
Released: February 2, 2024
Acceptable termination fittings:



Minimum
clearance:
12" from sidewall
 Patterson-Kelley 2024
All Rights Reserved.
®
P-K Storm Gas Fired Boiler
Technical Service 1.877.728.5351
®
STORM Category II/IV:
Sidewall (exhaust only)
Downward elbow
Horizontal tee
Vertical Tee
(1" x 1" bird screen recommended)
Minimum flue
vent clearance:
36" above air
intake
Motorized
combustion air
damper
2691000403 P-K Storm ST2500-ST8000
Installation and Owners Manual Rev G.docx
Page 38