Conversion Manual for Condensing Tankless Water Heaters 4
The input rate can be verified by following the procedure in the National Fuel Gas Code (NFPA54 /
ANSI Z223.1, 2006 or latest edition).
The gas manifold is stamped either “LP” for Liquid Propane Gas or “NG” for Natural Gas.
Model
To Gas
Type
Kit
Number
1
Gas Manifold Conversion Rating Plate
Conversion
Manual
REP199i
RE199i
REP199e
RE199e
RE180i
RE180e
LP 104000308 106000252 100000780
100000784
NG 104000309 106000253 100000781
LP 104000310 106000254 100000782
REP160i
RE160i
REP160e
RE160e
RE140i
RE140e
NG 104000311 106000255 100000783
1
Kit includes Gas Manifold (gas Specific), gasket (inner and outer), conversion rating plate and
conversion manual.
Model RE199
REP199
RE180 RE160
REP160
RE140
Gas Consumption (Btu/h)
Minimum 10,400 10,400 10,400 10,400
Maximum 199,000 180,000 160,000 140,000
Natural Gas
Minimum: 4.0 in. (1.00 kPa) W.C.
Maximum: 10.5 in. (2.61 kPa) W.C.
Gas Supply Pressure
Propane
Minimum: 8.0 in. (1.99 kPa) W.C.
Maximum: 13.0 in. (3.24 kPa) W.C.
• Screwdriver
• Manometer
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