State PR6 40 NHDST2 - Manual (Page 13)

13
Installing the New Water Heater (cont’d)
MANUFACTURED HOME INSTALLED OVER A BASE-
MENT OR CRAWLSPACE – AIR INTAKE THROUGH AN
OUTSIDE WALL
ALL 30 AND 40 GALLON MODELS
3 ″ PVC Schedule 40 intake air vent piping:
Optional Kit No. 9002986 contains a 3 ″ PVC Schedule
40-45° vent cap with screen and two 3 ″ wall collars.
ALL 50 GALLON MODELS
4
″ PVC Schedule 40 intake air vent piping:
Optional Kit No. 9002987 contains a 4 ″ PVC Schedule
40-45° vent cap with screen and two 4 ″ wall collars.
ALL MODELS
1. PVC, ABS or CPVC Schedule 40 piping and fittings are
acceptable materials for the intake air vent system.
2. The intake air vent system must terminate horizontally
to the outdoors.
3. Remove the screws which attach the wind baffle to the
existing metal air intake vent pipe underneath the
home. Discard the wind baffle and screws.
4. Attach a 3 ″ or 4″ PVC street elbow to the metal air
intake vent using 3 sheet metal screws. Continue PVC
piping to outside wall and terminate with vent cap and
screen.
3 ″ size - 30 and 40 gallon models
4 ″ size - 50 gallon models
See page 14 for cementing instructions.
NOTE: Vent cap must be located a minimum of 12 ″″
above the ground.
5. Vertical and horizonal runs must be securely support-
ed at 3 1 /
2
foot intervals.
REMOVE SCREWS AND WIND
BAFFLE AND DISCARD.
VENT
CAP
WITH
SCREEN
PVC SCHEDULE 40 PIPE
PVC
SCHEDULE
40 STREET
ELBOW