Town’s gas operated ranges and rice cookers ship with an appliance gas pressure regulator that’s rated for low pressure inputs only. Special considerations must be made when connecting our units to high pressure gas systems, and LPG (liquid propane gas) tanks.
Underside of an RM-55 appliance regulator.
Embossed arrow points in the direction of gas flow. |
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If the appliance is being supplied by propane tank or a high pressure natural gas system, a first stage line regulator must be installed upstream of our appliance regulator to reduce the pressure before it goes into our appliance regulator. If not done, the incoming stream of high pressure gas can damage the appliance regulator.
If the appliance gas pressure regulator is over pressured for more than a second, it’s likely that it will need to be replaced. Reference the table below to find the item item number for a replacement regulator. If the range has the optional pilot safety system, the pilot safeties may also need to be replaced. Town’s RM and RS series gas rice cookers do not have pilot safety systems.
The first stage regulator is site specific, so it is to be specified, supplied and installed by others. The qualified person installing the appliance should be able to help you specify, supply and install the correct first stage regulator. Sizing tools such as those provided by Maxitrol maybe also used to help in specification.
When choosing the first stage regulator, the following specifications must be met:
Item Number | Description | For Model Series |
RM-55N-REG | 3/4″ GAS PRESSURE REG. NATURAL GAS (4″WC) | Rice cookers: RM-55, RM-50, RS-50, RS-55 |
RM-55P-REG | 3/4″ GAS PRESSURE REGULATOR LP GAS (10″WC) | Rice cookers: RM-55, RM-50, RS-50, RS-55 |
249047 | 3/8″ UNIVERSAL GAS PRESSSURE REGULATOR | SM series smokehouses |
226895 | 1-1/4″ GAS PRESSURE REG. NATURAL GAS (6″ WC) | PR, MBR, YF-STMR, CF, E, M, Y series wok ranges |
226896 | 1-1/4″ GAS PRESSURE REG. LP GAS (10″ WC) | PR, MBR, YF-STMR, CF, E, M, Y series wok ranges |
250148 | 3/4″ GAS PRESSURE REG. NATURAL GAS (6″ WC) | SR series stockpot ranges |
250149 | 3/4″ GAS PRESSURE REG. LP GAS (10″ WC) | SR series stockpot ranges |
The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at pressures in excess of 1/2 PSI (3.45 kPa, or 15″ W.C.).