Finned copper tube gas boilers & water heaters – Boiler Manual
43
Model Size with Item Quantities Below
Ref # Name of Part Part # 300 400 600 750 900 1050 1350 1500 1950 2100
44
Firing Valve, 3/4” 11-0461 1 1
Firing Valve, 1” 11-0456 1 1 1 2 2 2 2
Firing Valve, 1 1/4” 11-0457 2
NS Manual Pilot “B” Valve 11-0031 1 1 1 1 1 1 1 1 1 1
45
Main Gas Valve, VR8304M (300 only) 11-0056 1
Main Gas Valve, VR8305 11-0087 1
Main Gas Valve, V8944B, 1” 11-0171 1 1 1 2 2 2 2
Main Gas Valve, V8944B, 1 1/4” 11-0172 2
46
Safety Valve, L8214G, 1” 11-0371 1 1 1
Safety Valve, L8214G, 1 1/4” 11-0364 1 1 1
Safety Valve, L8214G, 1 1/2” 11-0365 1 1
47
Main Gas Valve, VR8304M (300 only) 11-0056 1
Pilot Valve, VR8205Q 11-0086 1 1 1 1 1 1 1 1 1
48
Manual Shut O Valve, 1” 11-0456 1 1 1
Manual Shut O Valve, 1 1/4” 11-0457 1 1 1
Manual Shut O Valve, 1 1/2” 11-0458 1 1
50
BTC Staging Control, 2 Stage 14-0306 1 1 1 1 1
BTC Staging Control, 4 Stage 14-0307 1 1 1 1 1
NS
10K Temperature Sensor 14-0325 3 3 3 3 3 3 3 3 3 3
Outdoor Sensor 14-0319 1 1 1 1 1 1 1 1 1 1
51 Flame Sensor, UTC 1003 Ignition Module 16-0059 1 1 1 1 1 1 1 1 1 1
NS
Alarm Board, (CSD-1) 16-0023 1 1 1 1 1 1 1 1 1 1
Harness Kit (includes J1, J2, J4, J6, J7 & J9) 40-0265K 1 1 1 1 1 1 1 1 1 1
J3 RH Side 4 Stage Harness 40-0268 1 1 1 1 1
J5 Blower/Vent 4 Stage Harness 40-0271.2 1 1 1 1
J8 Stage Control (2 Stage) Harness 40-0274 1 1 1 1 1
J8 Stage Control (4 Stage) Harness 40-0275 1 1 1 1 1
J10 Alarm Non-CSD-1 Harness 40-0277 1 1 1 1 1 1 1 1 1 1
52 Spark Generator 16-0036 1 1 1 1 1 1 1 1 1 1
53
Transformer, 50 VA 15-0007 1 1 1 1 1
Transformer, 75 VA 15-0008 1 1 1 1 1
NS Pump Time Delay Relay 15-0120 1 1 1 1 1 1 1 1 1 1
NS Low Gas Pressure Switch (Manual Reset) 11-0410 1 1 1 1 1 1 1 1
NS High Gas Pressure Switch (Manual Reset) 11-0411 1 1 1 1 1 1 1 1
54
Main Board Assembly (2 Stage) 70-2925R 1 1 1 1 1 1 1 1 1 1
Main Board Assembly (4 Stage) 70-2926R 1 1 1 1 1
2 Stage Relay Board (prior to 0105)
40-0055R 1 1 1 1 1 1 1 1 1 1
(includes timer board & relays)
4 Stage Conversion Kit (prior to 0904) 21-0251 1 1 1 1 1
NS
Relay, 9 Pin (prior to 0904) 15-0115 5 5 5 5 5 7 7 7 7 7
Relay, 4 Pin (prior to 0904) 15-0116 2 2 2 2 2 2 2 2 2 2
NS Relay, 2P (On/O)
15-0121 5
(K1, K3, K5, K6, K7, TDR1, TDR3) (300 only)
Relay, 2P (2 Stage)
15-0121 6 6 6 6
(K1, K3, K5, K6, K7, TDR1, TDR2, TDR3)
Relay, 2P (4 Stage)
15-0121 8 8 8 8 8
(K1, K3, K5, K6, K7, TDR1, TDR2, TDR3)
Relay, 3P (2 or 4 Stage) (K2, K4) 15-0123 2 2 2 2 2 2 2 2 2 2
NS Solid State Relay 15-0137 1 1 1 1 1 2 2 2 2 2
REPAIR PARTS (CONTINUED)