NOTE: Installation and repair should be performed by a qualified service person. The appliance should be inspected annually by a qualified professional service person. More frequent inspections and cleanings may be required due to excessive lint from carpeting, bedding material, pet hair, etc. It is imperative that the control compartment, burners and circulating air passage ways of the appliance be kept clean.

Provide adequate clearances around air openings and adequate accessibility clearance for service and proper operation. Never obstruct the front openings of the appliance.

This appliance is designed to operate on natural or propane gas only. The use of other fuels or combination of fuels will degrade the performance of this system. The gas input of this appliance is 22,000 BTU/HR for natural gas and 22,000 BTU/HR for propane gas models.

Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any parts of the control system and any gas controls which have been under water.

Minimum inlet gas pressure is 5" Water Column for natural gas and 10.5" Water Column for propane for the purpose of input adjustment.

Maximum inlet gas supply pressure is 10.5" Water Column for natural gas and 14" Water Column for propane.

The appliance must be isolated from the gas supply piping system (by closing its individual manual shut-off valve) during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5kPa).

This appliance and its individual shut-off valve must be disconnected from the gas supply piping system during any pressure testing of that system at pressures in excess of 1/2 psig (3.5kPa).

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New Buck Corporation DV23ZC manual