Installation Guide

Residen al Gas Water Heater Use and Care Guide for Manufactured Homes • 21
INSTALLATION
INSTALLATION
Once you’ve made the gas connec-
 ons, use a small, so -bristled brush
to apply a hand dishwashing soap
and water mixture or children’s soap
bubbles (1 part soap to 15 parts water)
to all connec on points of the gas line
and fl exible gas connector (if used).
Make sure to generously coat all the
connec ons and check for gas leaks
(which will appear as small bubbles).
If any leaks are detected, turn the gas
supply off ,  ghten the leaking connec-
 on and re-check.
BEFORE LIGHTING THE WATER
HEATER...
Make sure all checklist items have
been completed.
Water Heater Loca on
✓ Installa on area free of corrosive
or fl ammable materials, liquids or
vapors.
✓ Proper clearances from combus ble
surfaces maintained and suffi cient
room to service the water heater.
✓ Not installed directly on a carpeted
fl oor.
✓ Metal drain pan installed and piped
to an adequate drain or through the
fl oor to the outside of the structure.
✓ Water heater not located near an
air moving device (fan, clothes
dryer).
✓ Not in a loca on with large
amounts of lint, dust, etc. (If so, the
air fi lter or fl ame arrestor located
on the bo om of the water heater
will need to be cleaned more of-
ten.) See Enclosure InstallaƟ on
Requirements on page 9.
Combus on Air Supply and
Ven la on
✓ Adequate air supply for water
heater and any other nearby gas
appliances.
✓ Are the openings of suffi cient size?
✓ Ductwork is the same cross-sec on-
al area as the openings?
Vent Pipe System
✓ New dra hood, properly installed.
✓ Vent pipe (roof jack) securely
fastened to dra hood with screws
and supported properly. Follow
the roof jack manufacturer’s
instruc ons.
✓ Approved vent (roof jack).
See page 8.
✓ Vent system installed according
to local and state codes or, in the
absence of local and state codes,
the “Na onal Fuel Gas Code”, ANSI
Z223.1 (NFPA 54)-current edi on.
Manufactured home manufacturers
must conform with The Manufac-
tured Home ConstrucƟ on and Safety
Standard, Title 24 CFR, Part 3280.
✓ Check exis ng vent system for rust,
restric ons/obstruc ons.
Water System Piping
✓ Temperature and pressure relief
valve properly installed with a
discharge line that runs through
the fl oor to the outside or to an
adequate drain and is protected
from freezing.
✓ Water pipes free of leaks.
✓ Water heater completely fi lled with
water.
✓ Thermal Expansion Tank installed
✓ Water Pressure Reducing Valve
installed and adjusted to 50-60 psi.
✓ Thermosta c Mixing Valves in-
stalled at each point-of-use.
Gas Supply and Piping
✓ Gas type is the same as that listed
on the water heater’s ra ng plate
(or the same as what is listed on the
conversion label if the water heater
was properly converted).
✓ Gas line equipped with shut-off
valve.
✓ Adequate gas pipe size and ap-
proved gas pipe material.
✓ All gas connec ons and fi  ngs leak
checked and any leaks corrected.