HTP 850 LPHL - Manual (Page 38)

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LP- 205 REV. 3.28.14
Figure 21 – Mod Con 850 Gas Valve
Do not do a gas conversion on this boiler without an officially approved conversion kit and instructions supplied by HTP. Failure to use a
conversion kit when converting the boiler to fire on Natural or LP gas will result in extremely dangerous burner operation, leading to fire,
explosion, severe injury or death.
Strain on the gas valve and fittings may result in vibration, premature component failure and gas leakage, and result in fire, explosion,
property damage, severe personal injury, or death.
Adjustments to the throttle screw or offset may only be made by a qualified gas technician using a calibrated combustion analyzer
capable of measuring CO
2
and CO. Failure to follow this instruction could result in fire, explosion, property damage, severe personal
injury, or death.