Installing the New Water Heater (cont’d)
Venting (cont’d)
WARNING
Be sure vent pipe is properly connected to prevent escape of dangerous flue gases which could cause dead- ly asphyxiation.
WARNING
Chemical vapor corrosion of the flue and vent system may occur if air for combustion contains certain chem- ical vapors. Spray can propellants, cleaning solvents, refrigerator and air conditioner refrigerants, swimming pool chemicals, calcium and sodium chloride, waxes, bleach and process chemicals are typical compounds which are potentially corrosive.
31⁄2'
1.The water heater requires its own (separate) venting system.
2.Only 3″ ABS Schedule 40 piping and fittings are accept- able materials on the first five feet of the outlet vent system.
3.3″ PCV, ABS, or CPVC Schedule 40 piping and fittings are acceptable materials for the inlet vent system and for the outlet vent system after the first five feet.
4.It cannot be connected to existing vent piping or chimney.
5.When venting through an outside wall, the vents must ter- minate horizontally to the outdoors.
B. ALL 40 AND 50 GALLON 40,000 BTU/HR MODELS
In the carton is supplied:
1.Two 3″ inlet and outlet PVC Schedule 40 - 45° vent caps. All other piping must be supplied by the supplier.
STRAPPING
Horizontal runs must be securely supported at 31⁄2 foot intervals and vertical runs supported at 5 foot intervals.
VENTING THROUGH AN OUTSIDE WALL
TWO 3″ PVC SCHEDULE 40 90° STREET ELBOW
REQUIRED*
SCHEDULE
40 PVC INLET AND
OUTLET PIPE
REQUIRED
ONE 3″ SCHEDULE
40 PVC 45° INLET ELBOW SUPPLIED
ONE 3″ SCHEDULE 40 PVC 45° OUTLET ELBOW SUPPLIED
A. ALL 75 GALLON MODELS AND 50 GALLON 65,000 BTU/HR MODELS
In the carton is supplied:
1.Two 3″ inlet and outlet PVC Schedule 40 - 45° vent caps.
2.A 3″ ABS Schedule 40 - 90 street ell; used to connect the out- let vent pipe to the water heater when the outlet vent pipe is to be turned horizontally directly off the blower.
3.A 5‘ section of 3″ ABS Schedule 40 outlet vent pipe (more may be required and must be supplied locally).
*If making an immediate horizontal run of vent off the blower, two 3″ PVC or ABS schedule 40 street elbows are required
1. | The water heater requires its own (separate) venting |
| system. |
2. | 3″ PVC, ABS, or CPVC Schedule 40 piping and fittings |
| are acceptable materials for the vent system on all 40 |
| and 50 gallon models. |
3. | It cannot be connected to existing vent piping or |
3″ ABS SCHEDULE 40 |
|
90° STREET |
|
OUTLET ELBOW | 5' SCHEDULE |
SUPPLIED | 40 ABS OUTLET |
3″ PVC SCHEDULE | PIPE SUPPLIED |
| |
40 90° STREET |
|
INLET ELBOW |
|
REQUIRED | SCHEDULE |
| 40 PVC INLET PIPE |
| REQUIRED |
ONE 3″ SCHEDULE
40 PVC 45° INLET ELBOW SUPPLIED
ONE 3″ SCHEDULE 40 PVC 45° OUTLET ELBOW SUPPLIED
chimney. |
4. When venting through an outside wall, the vents must |
terminate horizontally to the outdoors. |
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