We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

LENNOX Electric Sequencer: Mfr Part # 22J51 - Replacement HVACR Controls, Switches & Thermostats
LENNOXReplacement HVACR Controls, Switches & Thermostats

LENNOX Electric Sequencer: Mfr Part # 22J51

LENNOX Replacement HVACR Controls, Switches & Thermostats.

SKU 3G-OTH-72451

Brand
LENNOX
Item
Electric Sequencer: Mfr Part # 22J51
Category
Replacement HVACR Controls, Switches & Thermostats
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

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
22J51

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

LENNOX Replacement HVACR Controls, Switches & Thermostats.

Frequently Asked Questions

What is a Lennox electric sequencer used for?

A Lennox electric sequencer controls the staging of heating elements in electric furnaces and HVAC systems. It ensures elements energize in sequence to prevent electrical overload and maintain steady heat output. This replacement part is critical for restoring proper furnace operation.

What are the specifications of the Lennox 22J51 electric sequencer?

The Lennox 22J51 electric sequencer is a replacement HVACR control component. Its key specification is the manufacturer part number 22J51. It is designed for use in electric furnaces and heating systems to sequence power to heating elements. For detailed electrical ratings, consult the OEM documentation.

Where to buy a Lennox 22J51 electric sequencer worldwide?

3G Electric supplies the Lennox 22J51 electric sequencer 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 replacement HVACR control component for your electric furnace.

How to install a Lennox electric sequencer?

To install a Lennox electric sequencer, first disconnect all power to the furnace. Remove the old sequencer, noting wire positions. Mount the new 22J51 unit and reconnect wires per the wiring diagram. Restore power and verify proper staging of heating elements. Always follow local electrical codes.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
LENNOX Electric Sequencer: Mfr Part # 72F83
LENNOX
LENNOX Electric Sequencer: Mfr Part # 72F83
LENNOX Limit Switch: Mfr Part # 26G78
LENNOX
LENNOX Limit Switch: Mfr Part # 26G78
LENNOX Rollout Switch: Mfr Part # 78L29
LENNOX
LENNOX Rollout Switch: Mfr Part # 78L29
LENNOX Limit Switch: Mfr Part # 52M73
LENNOX
LENNOX Limit Switch: Mfr Part # 52M73
LENNOX Direct Spark Igniter: Mfr Part # 69J37
LENNOX
LENNOX Direct Spark Igniter: Mfr Part # 69J37
LENNOX Ignition Control: Mfr Part # 10J58
LENNOX
LENNOX Ignition Control: Mfr Part # 10J58

More from LENNOX

View all LENNOX parts
LENNOX Control Board: Mfr Part # 52M46
LENNOX
LENNOX Control Board: Mfr Part # 52M46
LENNOX Electric Sequencer: Mfr Part # 88K09
LENNOX
LENNOX Electric Sequencer: Mfr Part # 88K09
LENNOX Circuit Board: Mfr Part # 56M61
LENNOX
LENNOX Circuit Board: Mfr Part # 56M61
LENNOX Natural Gas Burner Orifice: Mfr Part # 32K70
LENNOX
LENNOX Natural Gas Burner Orifice: Mfr Part # 32K70
LENNOX Flame Sensor: Mfr Part # 18G89
LENNOX
LENNOX Flame Sensor: Mfr Part # 18G89
LENNOX Ignition Control Board: Mfr Part # 81W03
LENNOX
LENNOX Ignition Control Board: Mfr Part # 81W03
LENNOX Ignition Control Board: Mfr Part # 17W82
LENNOX
LENNOX Ignition Control Board: Mfr Part # 17W82
LENNOX Contactor: Mfr Part # 95M57
LENNOX
LENNOX Contactor: Mfr Part # 95M57