Pentair NT Standard Series installation manual See page 15 for Indoor Vent Adaptors

Installation (Indoor) 14

INDOOR INSTALLATION (USA ONLY) OUTDOOR SHELTER INSTALLATION (CANADA)

See page 15 for (Indoor) Vent Adaptors

All products of combustion and vent gases must be completely removed to the outside atmosphere through a vent pipe which is connected to the stack adaptor. A vent pipe extension of the same size must be connected to the indoor stack adaptor and extended at least 2 feet higher than highest point of the roof within a 10 foot horizontal radius, and at least 3 feet higher than the point at which it passes through the roof, or as permitted by local code; see Figures 11 and 12. The vent should terminate with an approved vent cap (weather cap) for protection against rain or blockage by snow. Double- wall vent pipe and an approved roof jack shall be employed through the roof penetration.

The heater must be located as close as practical to a chimney or gas vent.

Ridge

10 ft.	Vent
	Cap

2 ft. min.

3 ft. min.

Roof

Jack

Chimney

Figure 11.

VENT CAP AND

RISER FURNISHED

BY INSTALLER

AIR SUPPLY

VENTILATION

CAUTION

The heater should be installed at least 5 feet away from the pool or spa.

The heater must be placed in a suitable room on a non- combustible floor or on a non-combustible base and in an area where leakage from heat exchanger or water connections will not result in damage to the area adjacent to the heater or the structure. When such locations cannot be avoided, it is recommended that a suitable drain pan with adequate drainage, be installed under the heater. The pan must not restrict air flow.

Installations in basements, garages, or underground structures where flammable liquids may be stored must have the heater elevated 18 inches from the floor using

anon-combustible base. The following minimum clearances from combustible materials must be provided.

	Side	Front	Back	Top
Water Connection	18 in.	24 in.	-	-
Remaining	6 in.	-	6 in.	-
Ceiling Clearance	-	-	-	18 in.*
*To ceiling or roof.

AIR SUPPLY

GAS COMBUSTION

OPTIONAL SIDE WALL VENT NT Figure 12.

The heater should not be installed closer than 6 inches to any fences, walls or shrubs at any side or back, nor closer than 18 inches at the plumbing side. A minimum clearance of 24 inches must be maintained at the front of the heater.

	6"
DOOR	6"
24"
	18"

Figure 13.

P/N 472032 Rev. A 1-2-02