HTP EL-399NVWH - Manual (Page 44)

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LP- 346 REV. 3.20.14
Ensure that the high gas pressure regulator is as least 6 – 10 feet upstream of the appliance. Failure to do so could result in substantial
property damage, severe personal injury, or death.
D. HEATER GAS VALVE
Figure 24 – LP-293-V
Do not do a gas conversion on this heater without an officially approved conversion kit and instructions supplied by HTP. Failure to use
a conversion kit when converting the heater 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.