Confirming The Unit's Gas Type; Gas Type Conversion - Watts Aerco TAG-0072 GF-146-E Operation & Maintenance Manual

AM Series Boiler & Water Heater User Manual
CHAPTER 8 – UNIT START-UP
WARNING!
Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or
any other appliance.
WHAT TO DO IF YOU SMELL GAS:
•
Do not try to light any appliance.
•
Do not touch any electrical switch.
•
Do not use any phone in the building.
•
Immediately call your gas supplier from a neighbor's phone. Follow the gas
supplier's instructions.
•
If you cannot contact your gas supplier, call the fire department.

8.2.1 Confirming the Unit's Gas Type

The type of gas and the gas supply pressure that the unit is set up for is listed on the rating
label.
The AM Series boilers and water heaters can operate using one of the following two gases:
NATURAL GAS
o Maximum supply pressure = 13" W.C. (33.0 mbar).
o Minimum supply pressure = 3" W.C. (7.6 mbar).
PROPANE (LP) GAS
o Maximum supply pressure = 13" W.C. (33.0 mbar).
o Minimum supply pressure = 3" W.C. (7.6 mbar).

8.2.2 Gas Type Conversion

If the gas available at the installation site is not the type the heater is configured to use, the
heater must be converted. Special conversion kits are available for this purpose inside the
heater. The gas conversion procedure may be found in Section 7.9. Conversion must be carried
out by a qualified technician.
OMM-0100_E • GF-146 • 11/15/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 95 of 170