Harsco Industrial C1500H Installation & Owner's Manual page 24

condensation can cause icing of the walking surface. Maintain a minimum clearance of 6 ft (1.83 m) horizontally from
any electric or gas meter, regulator or relief equipment.
Conventional Vent Systems Clearances
The following termination clearance requirements are for conventional, non-direct vent installations.

The vent system shall terminate at least 3 ft above a forced air inlet that is within 10 feet horizontally. As this is a
minimum, your application requirements need to be considered.

The vent system shall terminate at least 4 ft below, 4 ft horizontally from or 1 ft above any door, operable window
or gravity inlet into any building. The bottom of the vent terminal shall be at least 12 in. above grade or highest
expected snow line (if applicable). When deciding on the vent termination consider visibility of the products of
combustion.

Through the wall terminations shall not terminate over public walkways or over an area where condensate or
vapor could create a nuisance or hazard or could be detrimental to the operation of regulators, relief valves or
other equipment.

Direct Vent (Sealed Combustion) Systems Clearances

The vent termination shall be located at least 36 in. from any air opening into a building. The bottom of the vent
termination shall be at least 12 in. above grade. Both the vent and air intake terminations must be at least 12 in.
above the highest expected snow line.

Through the wall terminations shall not terminate over public walkways or over an area where condensate or
vapor could create a nuisance or hazard or could be detrimental to the operation of regulators, relief valves or
other equipment.

When multiple direct vent appliances are adjacent, the exhaust must terminate at least 10 feet horizontally or
three feet vertically above the air intake of another appliance.
Interior Component Clearances
All vent system components shall be installed so as to maintain the following required minimum clearances:
Unlisted single wall metal pipe
Single wall CPVC pipe sch. 80
UL 1738 listed Category IV vent
NOTICE! Make sure that the weight of the vent is not supported by the boiler vent collar. The collar is not
designed to support the weight of the vent. Horizontal vent sections shall be supported in a manner to prevent
sags or low spots where condensate can collect. Structural supports must be connected to building elements of
sufficient strength to withstand the weight of the vent system and any bending forces imposed by the venting system.
ATTENTION! Assurez-vous que le poids de l'évent n'est pas pris en charge par la chaudière évent le collier. Le
collier n'est pas conçu pour supporter le poids de l'évent. Aération Horizontal sections doivent être pris en
charge de manière à éviter les affaissements ou points bas où les condensats peut collecter. Supports de structure
doit être connecté pour éléments de construction d'une résistance suffisante pour supporter le poids du système
d'aération et les forces de torsion imposées par le système de ventilation.
Do not locate intake or exhaust terminations directly above a walkway; dripping of
Combustible
Do NOT Use
Per manufacturer's listing
Per manufacturer's listing
24
®
MACH Gas Fired Boiler
Non-Combustibles
Do NOT Use
Per manufacturer's listing
Per manufacturer's listing