Combustion Control Board

Assembly

Green Printed Circuit Board and Components.JPG · Commons ↗ Report photo

Sequencing logic for burner purge, ignition, fuel valve opening, and flame detection with safety interlocks.

Direct parts	7
Total parts	8
Used in	1 assembly
Class	Assembly

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Sequencing logic for burner purge, ignition, fuel valve opening, and flame detection with safety interlocks. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Combustion Control Board parts and their functions

7 top-level parts · 8 parts in total · full bill of materials below

Combustion Control Board parts diagram: 1 control PCB, 2 ignition relay, 3 solenoid relay, 4 control transformer, 5 relay, 6 terminal block, 7 status LED. 8 parts in 7 top-level items. — Combustion Control Board parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Control PCB	1×	Printed circuit board with microprocessor or discrete logic
2	Ignition Relay	1×	Relay controlling ignition circuit
3	Solenoid Relay	1×	Relay energizing gas valve solenoid
4	Control Transformer	1×	Step-down transformer for 24 VDC control power
5	Relay	2×	Auxiliary relays for fan and blower sequencing
6	Terminal Block	1×	Terminal block for field wiring connections
7	Status LED	1×	Indicator lights for operating state and faults

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Build & assembly graph

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Bill of materials for Combustion Control Board

7 top-level lines · 7 rows shown · 8 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Control PCB	commercial-boiler-burner-control-pcb	1×	1	·	part
2	Ignition Relay	commercial-boiler-burner-ignition-relay	1×	1	·	part
3	Solenoid Relay	commercial-boiler-burner-solenoid-relay	1×	1	·	part
4	Control Transformer	commercial-boiler-burner-control-transformer	1×	1	·	part
5	Relay	relay	2×	2	·	part
6	Terminal Block	commercial-boiler-burner-terminal-block	1×	1	·	part
7	Status LED	commercial-boiler-burner-status-led	1×	1	·	part

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Where the combustion control board is used

1 product across 1 domain contain it, directly or inside a sub-assembly

HVAC & Plumbing 1 Commercial Boiler Burner

Used in 1 assembly

Commercial Boiler Burner

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$200. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳JLCPCB jlcpcb.com ↗	Shenzhen, CN	PCB fabrication	100 pcs	2–4 wks
🇨🇳PCBWay pcbway.com ↗	Shenzhen, CN	PCB fab & assembly	100 pcs	2–4 wks
🇨🇳Shennan Circuits scc.com.cn ↗	Shenzhen, CN	PCB manufacturer	100 pcs	2–4 wks
🇮🇳Shogini Technoarts shogini.com ↗	Mumbai, IN	PCB manufacturer	100 pcs	2–4 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	100 pcs	2–4 wks