NTI FTVN - Checking Combustion Parameters; Converting the Appliance from Natural Gas to Propane Operation

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Before Installing Yes Note
Is there enough space to ensure proper installation?
Does installation location allow for proper service clearances?
Are water and gas lines properly sized and set at proper pressures for the installation?
Is boiler location as near the exhaust vent / intake pipe terminations as possible?
Have combustible materials been cleared from the installation location?
Is there a drain close to the boiler?
Water Piping Yes Note
Does boiler loop piping meet the minimum sizing requirements listed?
NOTE: Smaller piping will cause performance problems.
Does the system have an adequate air removal / CH Air separator?
Has water chemistry been checked?
Does water chemistry meet requirements?
If water chemistry does not meet requirements, have treatment measures been put in place?
Has the system been cleaned and ushed?
Install Exhaust Vent and Intake Piping Yes Note
Has the boiler been vented with the approved materials listed in this manual or to meet local codes?
Is air supply sucient for proper boiler operation?
Is total vent piping length within the maximum vent length restriction listed in this manual?
Have venting lengths been minimized?
Are terminations properly spaced from windows, doors, and other intake vents?
Have all vent terminations been installed at least one foot above exterior grade and one foot above
maximum snow accumulation level?
Is vent piping properly supported?
Has vent piping been checked for leaks?
Has the exhaust vent line been pitched back to the boiler at a rate of 1/4” per foot?
Have the exhaust vent and intake pipes been properly installed to the boiler?
Is the condensate drain supported so as to not place strain on the boiler’s condensate outlet tting?
Install Condensate Piping / Tubing and Components Yes Note
Have all condensate components included with the boiler been installed?
Is the condensate line piped with the approved materials listed in this manual?
Has the condensate line been routed to a laundry tub or other drain?
Install Gas Piping Yes Note
If operating on Propane, has the appropriate LP Conversion Kit been installed and the LP Conversion
Instructions been followed?
Is the gas supply line a minimum of 3/4” in diameter?
Is the gas supply line length and diameter adequate to deliver the required BTUs?
When operating at maximum and minimum gas input rates, does the gas line pressure remain between
3.5 and 14” WC for Natural Gas, or between 8 and 13” WC for Propane?
Does the gas type match the type indicated on the boiler rating plate? If converted to Propane, has the LP
Conversion Label been axed adjacent to the boiler’s rating plate label?
Has a union and shut-o valve been installed?
Relief Valve Yes Note
Is the CH Pressure Relief Valve rated to 30 psi properly installed and the at least 3/4” discharge line run to
an open drain and protected from freezing?
Is the DHW Pressure Relief Valve rated to 150 psi properly installed and the at least 3/4” discharge line run
to an open drain and protected from freezing?
Part 12 - Installation Checklist