Conversion Procedure (Ng To Propane) Overview - Pentair ETi 400 Installation Manual

Conversion Procedure (NG to Propane) Overview

Before proceeding with the Natural Gas to Propane Gas conversion for the ETi
Heater, please verify that the kit contains all of the parts listed shown below.
Tools Required
You will need the following tools and instruments for this conversion:
2 Air orifices
2 Direct spark igniters with gaskets attached
2 Gas orifices with o-rings attached
(Gas Orifices have the letters "NL" stamped on them).
1 5/16" socket wrench or nut driver
1 T20 bit Torx screw driver
1 Channel locks
1 Adjustable wrench, 2-1/2" Capacity
1 Adjustable wrench, 1-1/2" Capacity
1 Flat Blade Screwdriver
1 3/16" Hex key (Allen wrench)
2 2 Ft. lengths of 1/4" flexible plastic or rubber tubing
2 1/8" NPT barbed fittings
1 Pipe Sealant approved for use with natural gas or Propane
1 Pressure gauge or manometer with range to 14" W.C. (High Pressure Gauge)
1 Differential pressure gauge or slope gauge (inclined manometer) capable of
reading to a resolution of 0.05" W.C. (Low Pressure Gauge)
1 Flue-gas analyzer reading CO2 (optional)
Note: Do not attempt the heater conversion without all the listed tools shown above.
Figure 1: Required Tools.
ETi 400 Heater Fuel Gas Conversion Kit Installation Guide
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