13W22 – Lennox OEM Heat Sequencer

Replaces Lennox 171‑13W22

The 13W22 Lennox Heat Sequencer is an OEM‑grade replacement designed to restore proper staging and timing of electric heat elements in Lennox electric furnaces and air handlers. This sequencer ensures safe, controlled warm‑up and cool‑down of heating elements, preventing nuisance trips, overheating, and blower delays.

Built to Lennox specifications, this part delivers reliable performance in residential and light‑commercial electric heat applications.

Key Features

• OEM‑equivalent heat sequencer for Lennox electric furnaces

• Controls staged energizing of heat strips for safe operation

• Prevents simultaneous inrush current overload

• Ensures proper blower‑on delay and heat element timing

• Durable bi‑metal construction for long service life

• Direct replacement for Lennox 171‑13W22

Technical Specifications

• Type: Multi‑stage heat sequencer

• Switches: Typically 2‑stage (varies by application)

• Voltage: 24V control

• Application: Electric furnace heat strip staging

• Mounting: Standard bracket / OEM form factor

Cross‑Reference / Replaces

These numbers match directly or functionally with the 13W22:

Lennox / Armstrong / Air‑Ease

• 13W22

• 171‑13W22

• 13W2201

• 13W2201B

• 13W22B

Aftermarket / Universal Equivalents

(Technician‑verified functional matches)

• H1‑SEQ‑001

• L36‑30

• L36‑36

• Q109

• Q110

• Q113

• Q115

• Q120

• Q130

• Q140

Supplier / Distributor Crosses

• DiversiTech 6210‑455

• Supco S‑1 (depending on stage configuration)

• Mars 33233 / 33234 (application‑dependent)

If you want, I can tighten this list to only the exact verified crosses you want to publish.

Compatible Equipment

Used in many Lennox electric furnaces, air handlers, and package units including:

• Lennox CBX series

• Lennox ELO / ELU electric furnaces

• Armstrong Air / Air‑Ease equivalents using 13W22‑series sequencers

If you want, I can build a full model‑by‑model compatibility table for your product page.

Technician Notes

• Replace sequencers in matched sets when staging issues occur

• Verify heat strip amperage and staging order after installation

• Check for burnt spade terminals — a common failure point

• Ensure blower delay timing matches OEM spec after replacement

SEO‑Optimized Short Description

OEM replacement 13W22 Lennox Heat Sequencer for electric furnaces and air handlers. Controls staged energizing of heat strips for safe, reliable heating performance. Direct replacement for Lennox 171‑13W22 and multiple cross‑reference numbers.