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Maintenance & Care
Pump Pressure Adjustment
Pump Pressure Adjustment
While heater is operating, turn relief valve clockwise to increase.
Counter-clockwise to decrease. Use flat blade screw driver to turn valve. Correct pump pressure
as follows:
Model
Pump Pressure (Kpa/Psi)
HY125DKH
38.0/5.5
HY215DKH
52.0/7.5
For best measurement of pressure, test with full tank of fuel.
Optimum pressure occurs when
the nose cone is cherry red and there are no extending flames from the heater.
Adjusting
Screw