Parts
6-2
750-136
Models WB Electric Boiler Manual
Elements
Contactors
Fuse Blocks and Fuses
Operating/Modulating Controls
Part Number Description
129-00100-000 Ferrule Nuts, for 208/240V Heating Elements (.315" ID)
129-00104-000 Ferrule Nuts, for 380/415/480/600V Heating Elements (.475" ID)
129-00409-000 Element Flange Gasket, 8"
129-00204-000 Element Flange Gasket, 10"
Consult Factory for P/N Heating Elements
Part Number Description
833-05099-000 Contactor, 50A, 3 Pole
Part Number Description
848-01044-000 Fuse Block, Class T, 3 Pole, 30A, 600V
848-01019-000 Fuse Block, Class T, 3 Pole, 60A, 600V
884-00155-000 Fuse Block, Front-Mounted, Class T, 3 Pole, 60A, 600V
832-01568-000 Fuse Cartridge, Class T, 30A, 600V
832-01371-000 Fuse Cartridge, Class T, 50A, 600V
832-01376-000 Fuse Cartridge, Class T, 60A, 600V
Part Number Description
817-05070-000 Operating Temperature Control, 2 SPDT Relay Outputs, -25°F to 105°F
833-03953-000 Operating Temperature Control, 2 SPDT Relay Outputs, 100°F to 240°F
817-05073-000 Operating Temperature Control, 2 SPDT Relay Outputs, Outdoor Reset, -40°F to 248°F
817-05071-000 Operating Temperature Control, 4 SPDT Relay Outputs, -40°F to 248°F
817-05074-000 Operating Temperature Control, 4 SPDT Relay Outputs, Outdoor Reset, -40°F to 248°F
817-05072-000 Modulating Temperature Control, 4-20 mA Analog Output, -40°F to 248°F
817-05075-000 Modulating Temperature Control, 4-20 mA Analog Output, Outdoor Reset, -40°F to 248°F
997-10815-000 UDC2500 w/ RS-485 Modbus Communication