Glow Brand · Boiler · B85/B120/B160 series

B120 parts

96 replacement parts that fit the Glow Brand B120, with OEM part numbers, grouped by system.

Controls & boards

Part	Part #	Qty
Flue temperature sensor	GLO-42	1
Display board decal	CB-119	1
Display board enclosure	CB-123	1
Display board	CB-122	1
Ignition control board (ICB) with 5 A fuse Fuse is a B-221 5 A 250 V	B-221	1
Display board enclosure screws	CB-182	1
Temperature sensor clip (supply/return)	GLO-41	1

Ignition & flame

Part	Part #	Qty
Ionization electrode cable (585 mm)	GLO-44	1
Ignition electrode cable (1095 mm)	CB-109	1
Ignition electrode gasket	GLO-586	1
Ignition electrode	GLO-582-1	1
Electrode mounting screws	GLO-588	1
Ionization electrode	GLO-583	1
Ionization electrode gasket	GLO-587	1

Gas valve & orifices

Part	Part #	Qty
Brass fitting 3/4 in. NPT	GLO-180-50	1
Fibre washer 3/4 in., gas pipe	GLO-172	1
Gas supply tube	CB-103	1
Fibre washer 1/2 in., gas pipe	GLO-173	1
Gas valve screw M4 x 12 hex	GLO-563	1
Gas valve cork gasket	GLO-170	1
Brass boiler gas valve fitting	CB-130	1
Gas valve	GLO-541	1
Gas valve rubber coupling (valve to venturi)	GLO-547	1
Gas valve mounting screws (T25)	GLO-180-110	2
Venturi 24 mm (B120/B160)	CB-184	1

Pressure & limit switches

Part	Part #	Qty
Blocked flue switch	GLO-180-150	1
Hose barb 3/16 in. nylon	GLO-51	1
Blocked flue switch mounting bracket	GLO-180-21	1
High limit switch screw	GLO-180-100	1
High limit switch 95 C (203 F)	EKA-323-39	1
Water pressure sensor	B-150	1
Barbed tee 3/16 in. (flue switch loop)	GLO-65	1

Electrical

Part	Part #	Qty
Terminal strip screw	CB-137	1
Control terminal strip	CB-116	1
Field wiring strip bracket	B-194-S	1
Field wiring terminal strip label	B-240	1
Silicone cable grommet	CB-127	1
LWCO jumper (factory installed)	LWCO JUMPER	1

Motors & blowers

Part	Part #	Qty
Combustion fan	GLO-543	1
Fan to venturi O-ring	GLO-544	1
Venturi mounting hex screw (T30)	GLO-180-109	3

Inducer & venting

Part	Part #	Qty
Galvanized vent screen	SCREEN	2
PVC vent plug	GLO-02-PLUG	1
PVC combustion air inlet adapter	GLO-01	1
CPVC exhaust flue adapter	GLO-03	1
Vent adapter screw	GLO-180-114	8
Flue outlet adapter 60 mm	GLO-62	1

Heat exchanger & burners

Part	Part #	Qty
Heat exchanger assembly, Isothermic ASME H (B120/B160)	CB-113	1
Heat exchanger holding clamp	GLO-60	1
Fan/burner gasket	GLO-50	1
Heat exchanger support clamps (B120/B160, 2 pcs)	GLO-59	2
Stainless heat exchanger clip	GLO-70	1
Stainless steel heat exchanger (B120/B160)	CB-151	1
Heat exchanger refractory insulation (rear)	GLO-180-75	1
Cork gasket, heat exchanger	CB-159	1
Burner plate gasket	GLO-585	1
Burner plate refractory insulation	GLO-180-74	1
Burner and plate (B120/B160) Printed as C120 in the list; B120/B160	CB-153	1
Burner mounting nuts	GLO-589	4

Condensate

Part	Part #	Qty
Condensate hose connector 3/4 to 1/2 in.	GLO-180-200	1
Plastic condensate fitting 1/2 to 1/2 in.	GLO-180-77	1
Heat exchanger condensate tube	GLO-180-111	1
Gear clamp	GLO-180-41	1
Condensate trap	GLO-48	1
Condensate drain tube	GLO-47	1
Condensate hose grommet	GRO-001	1
Silicone condensate hose	GLO-180-22	1

Water / hydronic

Part	Part #	Qty
Automatic air vent, high capacity 150 psi	CB-111	1
Air vent grommet	CB-126	1
Air vent fitting	CB-131	1
O-ring, auto air vent	CB-161	1
Air vent clip	CB-250	1
O-ring	CB-149	1
CH supply copper tube	B-111	1
Rubber washer 3/4 in.	GLO-40	1
Pressure gauge fixture	B-117	1
Safety relief valve 30 psi	CB-136	1
CH return copper tube	B-110	1
Manual air vent	CB-156	1

Cabinet & doors

Part	Part #	Qty
Screw 8-32 x 3/8 pan Phillips type F	GLO-180-103	1
Screw 10-32 x 1/2 pan	GLO-180-107	1
Hinge, door	CB-193-S	1
Lock nut 10-32	GLO-180-108	1
Screw 10-32 x 1/2	GLO-180-105	1
Hex screw M5 x 12 DIN933	GLO-180-106	1
Thread cutting screw 10-24 x 1/2 HWH	GLO-180-104	1
Front door mounting bracket	GLO-180-S-09	1
Left panel, painted (B120/B160)	CB-203-S	1
Right panel, painted (B120/B160)	CB-204-S	1
Wrap rear support mounting bracket	CB-192-S	1
Boiler wrap, unpainted (B120/B160)	B-191-S	1
Wall mount support bracket	GLO-180-S-13	1
Front door, painted	CB-200-S	1

Other

Part	Part #	Qty
Wire harness clip	GLO-67	1
Zip ties	CB-115	1
Cotter pin 1/8 x 3-1/2 in.	CB-148	1

Same series

The B85/B120/B160 parts list shows every part for all 3 models side by side. Other models: B160, B85.

Source: Glow Brand B85/B120/B160 Installation & Operation Manual V20231025 (15.1 Part List). Part names are written by HVACopedia.

Part numbers are taken from the manufacturer’s published repair parts documents and are listed so you can identify the right part. Manufacturers replace and supersede numbers over time, so confirm the number with your distributor before you order, and use factory-authorized parts on equipment under warranty. Replacing gas, electrical and refrigerant parts is work for a licensed technician. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.