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Installing the New Water Heater (cont’d)
75 GALLON 70,000 and 75,000 BTU/HR, 50 GALLON
52,500, 55,000 and 62,500 BTU/HR and 40 GALLON
50,000 BTU/HR MODELS ONLY
3
″″
DIA. VENT NUMBER OF
MAX. LENGTH (FT.)
90° ELBOWS* (inside bldg.)
60 1
55 2
50 3
45 4
40 5
35 6
ALL 40 and 50 GALLON 40,000 BTU/HR MODELS ONLY
3
″″
DIA. VENT NUMBER OF
MAX. LENGTH (FT.)
90° ELBOWS* (inside bldg.)
105 1
100 2
95 3
90 4
85 5
80 6
2. Refer to the tables below for maximum vent lengths for
low ground clearance installations. All installations
assume the use of two additional 90° elbows and the
standard 45° vent cap with screen outside of the exteri-
or wall.
19
ALL 40 and 50 GALLON 40,000 BTU/HR MODELS —
OPTIONAL 2
″″
VENT PIPING
2
″″
DIA. VENT NUMBER OF
MAX. LENGTH (FT.)
90° ELBOWS* (inside bldg.)
40 1
35 2
30 3
25 4
20 5
15 6
*NOTE: Two 45° elbows are equivalent to one 90° elbow.
One 90° elbow equals 5 feet of equivalent vent length.
75 GALLON 70,000 and 75,000 BTU/HR, 50 GALLON 52,500,
55,000 and 62,500 BTU/HR and 40 GALLON 50,000 BTU/HR
MODELS ONLY – OPTIONAL 4″ VENT PIPING
4
″″
DIA. VENT NUMBER OF
MAX. LENGTH (FT.)
90° ELBOWS* (inside bldg.)
100 1
95 2
90 3
85 4
80 5
75 6
Cementing PVC, ABS or CPVC Pipe and Fittings
Read and observe all safety information printed on primer,
cleaner, and cement containers.
DANGER
Primer, cleaner, and cements are extremely flammable.
They are harmful or fatal if swallowed. The vapors are
harmful. They may irritate eyes and skin and can be
absorbed through the skin.
PRECAUTIONS
Always store primers, cleaner, and cements in cool, dry,
well ventilated places. Do not store them near heat,
sparks, or flames. Keep containers closed. Use them in
well ventilated areas. Wear impervious clothing while
handling. Do not smoke, eat, or drink while handling.
Wash thoroughly after handling and before eating. Wear
eye protection when handling. If swallowed, drink water,
do not induce vomiting, and call a physician or poison
control center immediately. If inhaled, get fresh air and
seek medical attention if ill feelings persist. In case of eye
and skin contact, immediately flush with plenty of water
for 15 minutes and seek medical attention if irritation
persists. KEEP OUT OF REACH OF CHILDREN.
All primers, cleaners, and cements must meet all local
codes and applicable standards of the American Society
For Testing Materials Standards.
Before using primers, cleaners, and cements, stir or shake,
making sure contents are liquid. Do not use if found to be
lumpy or jelly-like.
1. Cut pipe ends squarely removing all burrs and dirt.
2. Dry fit pipe and fittings to be connected for proper fit.
3. Clean pipe and fitting with a primer/cleaner.
4. Apply a thin coat of cement to fitting, avoiding puddling
inside.
5. Apply a liberal coat of cement to pipe leaving no voids.
6. QUICKLY assemble parts while cement is fluid! If you
wait too long, re-coat pipes.
7. Push pipe completely into socket of fitting, turning as it
goes until it bottoms.
8. Hold pipe and fitting together for 30 seconds. Then care-
fully clean off excess with a cloth. Allow connections a
sufficient time to cure before disturbing.
9. Remember that vent pipes must be adequately and
securely supported.
APPROXIMATE SETTING TIME FOR 2
1
⁄2″ TO 4″ PIPE
JOINTS
MOVEMENT COMPLETE
OF JOINT SET
90°F to 150°F
3
⁄4 hr. 8 hrs.
50°F to 90°F 1 hr. 15 hrs.
0°F to 50°F 1
1
⁄3 hr. 18 hrs.