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120-333E2

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Note

If converting  to natural gas, order the Natural Gas Conversion Parts kit (P-1200) from your authorized 
IBC distributor.

Use the Propane Gas Conversion kit if the fuel source at the site uses propane and the modulating boiler has 
been set up (factory fire-tested) to operate with natural gas. Check the rating plate on the boiler to see which fuel 
source the particular boiler has been set up with.

Using this conversion kit, a qualified technician will need to:

 1.  Perform a fuel conversion.

 2.  Perform a combustion test.

 3.  Fill in the information required on the fuel conversion labels, and affix them to the boiler after the 

conversion is completed.

Warning

This conversion kit shall be installed by a qualified service agency in accordance with the 
manufacturer’s instructions and all applicable codes and requirements of the authority having 
jurisdiction. If the information in these instructions is not followed exactly, a fire, an explosion or 
production of carbon monoxide may result causing property damage, personal injury or loss of life. 

The qualified service agency is responsible for the proper installation of this kit. The installation is not 
proper and complete until the operation of the converted appliance is checked as specified in the 
manufacturer’s instructions supplied with the kit.

Included with the Conversion Kit:

Fuel Conversion Kit, NG to LP   - EX 700

Part #

Description

Quantity

150-001 

O-Ring, 126 Nitrile 

1

150-025 

Wshr, Flat, Zn, 1/4  

4

150-159 

M5 Flat Washer 

4

150-329 

M8 x 14 Hex Bolt 

6

150-339 

M8 Flat Washer 

6

150-354 

M5 x 25 Hex Bolt 

4

150-373 

Hex Bolt 1/4-20 x 1.25L 

4

150-376 

O-ring 

1

180-255 

Mixer, PGT700, LP 

1

080-284

Rating plate overlay

1

080-244

Installer identifier label

1

080-107

Gas valve conversion label

1

EX 700  - Fuel Conversion to Propane 

(NG to LP) - P-1201

Summary of Contents for P-1201

Page 1: ...cable codes and requirements of the authority having jurisdiction If the information in these instructions is not followed exactly a fire an explosion or production of carbon monoxide may result causi...

Page 2: ...mbly There is no propane orifice Figure 1 Gas valve and fan Fan Mixing device Gas high pressure switch Inlet gas pressure test port location of Gas low pressure switch Low fire adjustment zero offset...

Page 3: ...Carefully separate the two parts remove and retain the O ring for re assembly See in image below 7 Remove the four 4 hex bolts that connect the mixing device to the air filter box The gasket should re...

Page 4: ...iler control upon a call for heat or DHW turns on the combustion fan for a 20 second pre purge then energizes the spark electrode and gas valve for a 4 second trial for ignition If the burner does not...

Page 5: ...high fire 5 Before firing the boiler turn the high fire gas air ratio adjustment screw clockwise to 1 full turn to decrease the fuel leaning the mixture before firing up the boiler 6 Before you change...

Page 6: ...esults to confirm correct settings Note Clock the gas meter to confirm full maximum rating plate input Check the measured results with Table for Rated Input of a Converted Boiler 5 Run the boiler to l...

Page 7: ...t 1201 7 Completing and affixing the conversion labels 1 Fill in the conversion labels included in the kit associated with the new fuel type 2 Place the conversion labels onto the boiler at the positi...

Page 8: ...Where to place conversion labels on the boiler 8...

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