Specifications

Repair Steps covered are for the Hydronic 4 & 5 SC versions - other models are similar
DISASSEMBLY / ASSEMBLY
1 Cover, metering pump
2 Water pump, assembly
3 Metering pump and bracket
4 Cover, blower
5 Control unit and cover
6 Glow pin
1 Cover, metering pump
2 Water pump assembly. When mounting, place O-rings on connection on
water pump housing
3 Metering pump and bracket
7 Flame sensor
8 Cable harness
9 Electric motor, complete
10 Combustion chamber with ame tube
11 Heat exchanger and jacket
4 Cover, blower
5 Control unit and cover
6 Glow pin
REVISION LEVEL A - 12/09/13
15
6
Maintenance / Troubleshooting & Repair