Control Board Module

Assembly

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

Microcontroller managing blower speed, zone valve position, and thermostat interlocks.

Direct parts	4
Total parts	4
Used in	1 assembly
Class	Assembly

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Microcontroller managing blower speed, zone valve position, and thermostat interlocks. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Control Board Module parts and their functions

4 top-level parts · 4 parts in total · full bill of materials below

Control Board Module parts diagram: 1 control PCB, 2 LCD display panel, 3 relay output card, 4 temperature sensor. 4 parts in 4 top-level items. — Control Board Module 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×	Microprocessor with firmware managing handler operation.
2	LCD Display Panel	1×	LCD optional
3	Relay Output Card	1×	Power relays controlling blower and valve circuits.
4	Temperature Sensor	1×	Thermistor or RTD measuring supply air or coil temperature.

3D model

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Build & assembly graph

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Bill of materials for Control Board Module

4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Control PCB	hydronic-air-handler-pcb	1×	1	·	part
2	LCD Display Panel	hydronic-air-handler-display	1×	1	·	part
3	Relay Output Card	hydronic-air-handler-relay-module	1×	1	·	part
4	Temperature Sensor	hydronic-air-handler-temperature-sensor	1×	1	·	part

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Where the control board module is used

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

HVAC & Plumbing 1 Hydronic Air Handler

Used in 1 assembly

Hydronic Air Handler

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