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LENNOX Ignition Control Board: Mfr Part # 49W66 - Replacement HVACR Controls, Switches & Thermostats
LENNOXReplacement HVACR Controls, Switches & Thermostats

LENNOX Ignition Control Board: Mfr Part # 49W66

SKU 3G-OTH-107253

Brand
LENNOX
Item
Ignition Control Board: Mfr Part # 49W66
Category
Replacement HVACR Controls, Switches & Thermostats
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Technical Specifications

LENNOX
Manufacturer Part Number
49W66
Product Type
Ignition Control Board
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LENNOX Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the LENNOX 49W66 Ignition Control Board used for?

The LENNOX 49W66 Ignition Control Board is a replacement HVACR control that manages the ignition sequence in compatible LENNOX gas furnaces and heating systems. It ensures safe and reliable burner ignition by controlling spark or hot-surface igniter operation, flame sensing, and system timing.

What are the specifications of the LENNOX 49W66 Ignition Control Board?

The LENNOX 49W66 is an Ignition Control Board with manufacturer part number 49W66. It is designed as a direct replacement for specific LENNOX furnace models. Key specs include its product type as an ignition control board and its OEM part number for accurate cross-referencing.

Where to buy the LENNOX 49W66 Ignition Control Board worldwide?

3G Electric supplies the LENNOX 49W66 Ignition Control Board to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this genuine LENNOX replacement part for your HVACR system.

How to install the LENNOX 49W66 Ignition Control Board?

Installation of the LENNOX 49W66 Ignition Control Board requires disconnecting power, removing the old board, and mounting the replacement in the same orientation. Connect all wiring per the furnace wiring diagram, ensuring proper grounding. Always follow LENNOX service instructions and local codes for safe operation.

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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