PENSOTTI PCH 50B-H Instruction Manual page 36

The vent must not terminate within 3 feet of a property line (check with local authorities in your area).
The vent pipe must terminate at least 3 feet above any forced air inlet within 10 feet.
The vent pipe must terminate at least 3 feet from any non-mechanical air supply inlet or the
combustion air inlet to any other appliance.
The vent must not terminate within 3 feet from an inside corner on an outside wall.
See the Installation guideline diagram on the next page.
Maximum allowable equivalent vent length – Horizontal and Vertical systems.
Boiler Model Number
PCH 18B-H, PCI 18/8-H
PCH 34B-H, PCC 34-H, PCI 34/20-H
PCH 50B-H
*
The vent system must be balanced (the air intake pipe and the exhaust pipe must be as close to equal in length as possible). A
maximum of 7 elbows is may be installed in the entire venting system.
Fittings equivalent length table
Material
Polypropylene
PVC/CPVC*
If standard 90° PVC/CPVC elbows are used the equivalent length is 8' per 90° elbow.
*
FOR EXHUAST VENT PIPE MATERIAL: USE ONLY APPROVED POLYPROPYLENE EXHAUST PIPE. DO NOT
USE GALVANIZED PIPE, PLASTIC PIPE OR CHIMNEY LINERS, RIDGED OR FLEXIBLE, OF ANY KIND.
All polypropylene pipe exposed to sunlight must be UV approved pipe this includes all sidewall and vertical
terminations both air intake and exhaust.
Both the exhaust and air intake vent pipes must be the same size pipe.
Clearance to combustibles on the approved polypropylene vent pipe is 0".
All interior venting and air intake pipe joints must be secured using the appropriate connector rings indicated
by the pipe manufacturers' guidelines. DO NOT use screws to connect any interior vent pipe.
All exterior pipes must be secured using ½" stainless steel screws.
INSTALLATION INSTRUCTIONS
Vent Size
2"
2"
2"
90° Elbow Long Sweep
-
5'
Maximum Combined Equivalent length *
100' ( 50" air intake + 50' exhaust)
85' (42.5' air intake + 42.5' exhaust)
85' (42.5' air intake + 42.5' exhaust)
45° Elbow
2' 3'
3'
-
87° Elbow
33