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LENNOX Circuit Board: Mfr Part # 71M28 - Replacement HVACR Controls, Switches & Thermostats
LENNOXReplacement HVACR Controls, Switches & Thermostats

LENNOX Circuit Board: Mfr Part # 71M28

LENNOX Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Replacement Control Board.

SKU 3G-OTH-81619

Brand
LENNOX
Item
Circuit Board: Mfr Part # 71M28
Category
Replacement HVACR Controls, Switches & Thermostats
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LENNOX
Manufacturer Part Number
71M28
Product Type
Replacement Control Board

Technical Documents

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LENNOX Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

LENNOX Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Replacement Control Board.

Frequently Asked Questions

What is the LENNOX 71M28 circuit board used for?

The LENNOX 71M28 is a replacement control board designed for HVAC systems. It manages key functions such as ignition sequencing, fan operation, and safety lockouts in compatible LENNOX furnaces and air handlers, ensuring reliable heating and cooling performance.

What are the specifications of the LENNOX 71M28 circuit board?

The LENNOX 71M28 is a replacement control board with manufacturer part number 71M28. It is classified as a replacement control board for HVACR applications. For detailed electrical ratings and compatibility, consult the original equipment documentation or contact 3G Electric for technical support.

Where to buy LENNOX 71M28 circuit board worldwide?

3G Electric supplies the LENNOX 71M28 replacement control board to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for this genuine LENNOX part.

How to install the LENNOX 71M28 circuit board?

Installation of the LENNOX 71M28 control board should follow the manufacturer's wiring diagram and safety procedures. Always disconnect power before replacing the board, verify compatibility with your HVAC model, and secure all connections. For specific guidance, refer to the LENNOX service manual or consult a qualified technician.

Used in

Common applications for LENNOX
Commercial HVAC maintenance — Lennox blower wheel 31G67 for replacing worn fans in rooftop units
Gas furnace repair — Lennox induced draft blower 56W68 for exhaust system replacement in residential furnaces
Thermostat upgrade — Lennox 24Z12 for manual control in heat and cool applications in office buildings
Safety system replacement — Lennox limit switch 26G78 for over-temperature protection in industrial heaters
Heat exchanger retrofit — Lennox heat exchanger assembly 96L74 for furnace repair in manufacturing facilities

LENNOX Products

3G Electric supplies LENNOX replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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