Spare Parts for TQR Small Heaters (16–21kW)
Overview
This guide covers spare parts for Seeley’s TQR Small Heaters (16kW and 21kW), including 1 Stage, 2 Stage, and Modulating models. Parts are grouped by function—burners, fans, controls, panels—so you can find what you need fast.
Exploded view diagrams are included below to help you correctly identify and match parts easily.
Burner and Ignition Parts
Part Number | Description |
---|
619325 | Beckett mount – 28kW |
619347 | Beckett burner assembly |
619507 | Injector NG – 1.95mm |
632150 | Beckett mount – 21kW |
632152 | Beckett mount – 16kW |
636641 | Electrode – Flame sense (includes wire) |
638692 | Electrode – Dual Spark probe short |
647343 | Burner access panel – 21kW |
647345 | Burner end plate RH – 16/21kW |
647347 | Burner end plate LH – 16/21kW |
647349 | Burner access panel – 16kW |
647351 | Burner end plate RH – 28kW |
647353 | Burner end plate LH – 28kW |
647367 | Burner access panel – 28kW |
648975 | Burner manifold – 16kW |
648977 | Burner manifold – 21kW |
648979 | Burner manifold – 28kW |
GH-266 | Over-temperature switch – 130°C manual reset |
Fan Motors / Fan Wheels
Part Number | Description |
---|
625980 | Room fan motor – 315W |
626086 | Bracket – Room fan mount |
630410 | Grommet – Motor mount bracket |
637129 | Motor arm – zinc die cast |
640020 | Fan wheel – 9x7 Braemar type |
646633 | Side plate RH (BMQ) |
646640 | Venturi – side plate |
GH234 | Grommet – 17OD x 8ID x 9.5THK |
Capacitors
Part Number | Description |
---|
131032 | Capacitor – 15µF for 21kW |
GH-225 | Capacitor – 4µF for 16kW |
Combustion Fan
Part Number | Description |
---|
643621 | TQR Combustion fan tube Ø63 x 1.6W x 120L |
643764 | Combustion fan – 1 & 2 Stage |
653007 | Combustion fan – Modulating |
Gas Flow Components
Part Number | Description |
---|
619685 | Flue choke – TQR316/416 |
619686 | Flue choke – TQR321/421 |
619688 | Flue choke – TQR521 |
622670 | Gas inlet elbow – 1 & 2 Stage |
622672 | Gas inlet elbow – Modulating |
628363 | Gas valve – 1 Stage |
628377 | Gas valve – 2 Stage |
640440 | Gas valve – Modulating |
ICS PCBs and Transformer
Part Number | Description |
---|
626123 | Transformer – 240V / 24V, 1.25A |
643779 | ICS PCB – 1 Stage |
643786 | ICS PCB – 2 Stage |
643793 | ICS PCB – Modulating |
Over-Temperature Switches (Model-Specific)
Part Number | Description | Applicable Model |
---|
611518 | Over-temperature switch – 80°C auto reset | 16kW |
621838 | Over-temperature switch – 90°C auto reset | 21kW |
628646 | Over-temperature switch – 130°C auto reset | 16–21kW |
Pressure Switches – 16kW Models
Part Number | Pressure Rating | Pressure Type | Application |
---|
628547 | 55 Pa | Low | 2 Stage |
630397 | 100 Pa | High | 1 & 2 Stage |
Pressure Switches – 21kW Models
Part Number | Pressure Rating | Pressure Type | Application |
---|
628549 | 65 Pa | Low | 2 Stage |
628551 | 120 Pa | High | 1 & 2 Stage |
Resistors
Part Number | Description |
---|
643920 | Resistor – Ceramic 720Ω |
Thermistor Parts
Part Number | Description |
---|
613956 | Bracket Thermistor |
651912 | Thermistor & Bracket (Q series) |
Wall Thermostat Parts
Part Number | Description |
---|
094298RP | MagIQtouch Control |
094694 | Cable Assy 20M 8 Pin (for MagIQtouch) |
500363 | Bracket Mount Wall Control (MagIQtouch) |
862873 | Cable Test 1M 8 Pin (for MagIQtouch) |
Zone Control Parts
Part Number | Description |
---|
626123 | Transformer 240/24V 1.7A |
643830 | Loom ICS to zone board 240V |
671031 | PCBA zone control ZCB MagIQtouch |
862231 | Lead Assy 8C RJ485 DGH |
Panels
Part Number | Description |
---|
626253 | Baffle – 9x7 |
629356 | Inner end shield |
629409 | Panel – Louvered |
629421 | Panel – Standard TG |
629738 | Corner pillar – LH |
629740 | Corner pillar – RH |
630021 | Side plate LH – Fan housing |
630045 | Wrap – 9x7 |
632070 | Base panel – TH 15–25 |
632074 | Base panel |
632087 | Divider panel – Small fan |
632096 | Divider panel – HX |
632104 | Heat shield |
632182 | Cabinet top |
632391 | Panel – 300D (15–20kW) |
632393 | Panel – 300D |
632409 | Panel – HX TQR16–21 |
632485 | Bracket – OT switch outlet |
644264 | Panel – EMP TQ3, 4, TQM6 Small |
Exploded View Diagrams
These diagrams visually support the spare parts list and help with identification and servicing.
General Assembly & Panels

Burner & Flue Components


Electrical & Fan Components
