HTP Oil-Fired Water Heater User Manual
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3. When inspecting the tank for lime, also check the condition of the anode rods. When either rod
has eroded to about a third of its diameter, it should be replaced.
4. Open the relief valve at least once annually to make sure it is not stuck. CAUTION:
RELEASED WATER MAY BE HOT!
Do not attempt to start the burner when excess oil has accumulated, when the unit is full of vapor, or
when the combustion chamber is hot.