Schwank STW-JZ1 - Manual (Page 48)

48
STW-JZ / IW I&O Manual
IM101229
RL: 12A- BA
RD: DEC 2010
27.GAS CONVERSION OF BURNER - MODELS STW-JZ / IW
Burners for the STW-JZ / IW Models are factory produced and supplied to operate on natural
gas.
For models with inputs 45,000, 60,000, 80,000, 110,000, 130,000, and 155,000 Btuh a field
conversion kit is available to convert from natural gas to propane gas, or vice versa. Refer to
the table below for kit part number to order. Each kit contains the specific instructions required
to install that kit.
Models with inputs 100,000 and 200,000 Btuh are available in natural gas only and are not
available nor convertible to propane gas.
Model 175,000 Btuh input is not field convertible between gas types. The burner must be or-
dered using the following part numbers, and will be factory produced for the specific type of fuel
gas:
 Natural gas JS-175P-AN (USA) or JS-175P-CN (Canada);
 Propane gas JS-175P-AL (USA) or JS-175P-CL (Canada).
The natural gas model 175,000 burner can be connected to a 50, 60, or 70 foot tube system.
The propane gas model 175,000 burner can only be connected to a 50 foot tube system.
Gas Conversion Kits - Order by Part Number:
Input Rate
(Btuh) Conversion Kit
NG to LPG Conversion Kit
LPG to NG
45,000 JS-0556-XC JS-0556-XD
60,000 JS-0557-XX JS-0558-XX
80,000 JS-0559-XX JS-0560-XX
100,000 NG Only - Not convertible
110,000 JS-0561-XX JS-0562-XX
130,000 JS-0563-XX JS-0564-XX
155,000 JS-0565-XX JS-0566-XX
175,000 Order specific fuel type - Not field Convertible
200,000 NG Only - Not convertible