Owner manual
2
Harman® Central Heating Appliances are built and tested to be complete Home Heating solutions. As with any
Central Heat system, a backup heating system may be required in the event of power outages or during appliance
service or maintenance.
3-90-70741R13_05/13
Introduction 4
Warnings 6
Packing List 7
Assembly 8
Venting 11
Installation 14
Verti-Flow™ Stoker Control 17
Operation 19
Feed Adjustment 19
Maintenance 20
Troubleshooting 22
Aquastat Installation 23
Service Parts 26
Warranty 29
Index
= Contains updated information