Slant/Fin CB Series User Manual
Ref
Description
CB-45
CB-90
CB-135
CB-180
1
Gas Valve-RS7200 Dern
660520
660520
660520
660520
2
Combustion Blower
660527
660527
660527
660527
3† Electronic
Control-U.T.1013-12
660589
660589
660589
660589
4
Circulator Pump-Taco 007
660561
660561
660561
660561
4A
Circulator Pump-Grundfos UP15-42F
660562
660562
660562
660562
4B
Circulator Pump-B&G NRF-22
660564
660564
660564
660564
5
Air Press. Switch (Standard, .12" set)
651302
651302
651302
651302
5A
Air Press. Switch (Cat. I, .50" set)
660591
660591
660591
660591
6
24 Volt Transformer
660528
660528
660528
660528
7
Water High Limit
410699
410699
410699
410699
8
High Limit Well
660507
660507
660507
660507
9
Secondary High Limit (optional)
660524
660524
660524
660524
10
Temperature/Pressure Gauge
910373061
910373061
910373061
910373061
11
Pressure Relief Valve (30 psi)
650550
650550
650550
650550
12
Automatic Air Vent
410547
410547
410547
410547
13
Blower Connector Hose
660510350
66051045
660510525
660510625
14*
Hot Surface Ignitor
660720
660720
660720
660720
14A*
Hot Surface Ignitor Hold-down
660276
660276
660276
660276
14B*
Ignitor Guide Assembly
665038
665038
665038
665038
14C*
Ignitor Perforated Shield
660721
660721
660721
660721
15
Flame Detector
660501
660501
660501
660501
15A
Flame Detector Bracket
660161
660161
660161
660161
15B
Flame Detector Seal
660439
660439
660439
660439
16
Silicone Tubing 1/8" I.D. x 26" long
660598026
660598026
660598026
660598026
19
Thermostat Terminal Block
660523
660523
660523
660523
20
Water Outlet Manifold
660005
660005
660005
660005
21
Air Pressure Service Fitting
660529
660529
660529
660529
22
Gas Pressure Service Fitting
660530
660530
660530
660530
23
Clear Tubing 1/8" I.D. x 8" long
660531
660531
660531
660531
24
Clear Tubing 3/16" I.D. x 8" long
660532
660532
660532
660532
28
Flame Sensor Harness
660660
660660
660660
660660
29
Safety Circuit 9 Pin Harness
660650
660650
660650
660650
30
Power Supply Harness
660652
660652
660652
660652
31
Circulator Board Harness
660653
660653
660653
660653
32
Circulator External Harness
660655
660655
660655
660655
33
Air Filter Box Assembly
665007
665007
665007
665007
34
Air Filter 10" x 12"
660515
660515
660515
660515
CONCEPT 21
BOILER REPLACEMENT PARTS LIST
When ordering replacement parts, specify the boiler model number, serial number and gas by name (natural or
propane). For replacement parts, heating contractors should contact their Slant/Fin boiler distributor.
propane). For replacement parts, heating contractors should contact their Slant/Fin boiler distributor.
This parts list must be left with owner, hung on or adjacent to
the boiler. Owner should retain parts list for future reference.
the boiler. Owner should retain parts list for future reference.
PUBLICATION CB-10PL
Part No. 66-1003
Rev. G
*Special Note on Reference Item #14: This Hot Surface Ignitor part number is only for use with Concept 21 boilers which incorporate an
air-cooled ignitor guide and perforated shield. Refer to identification label above ignitor on boiler.
™
CB SERIES
Gas-fired • Sealed Combustion
Cast-iron • Hot water boilers
Cast-iron • Hot water boilers
†For replacing the Ram Electronics control on older model boilers, contact Slant/Fin Technical Service Department for the U.T. 1013-12
control kit available.