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Lennox 12Y80 Sequencer 340155-7026 Maintaining proper pressure monitoring with

SKU 10010694624
USD107.24 USD138.24

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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8

Gallery notes

Rosewood paper grain — description and returns beneath the overlapping buy card.

Description

Maintaining proper pressure monitoring with this HVAC pressure sensor is essential for protecting the heart of the cooling system and extending the service life of the equipment

the motor windings or bearings may have failed

Installation Flexibility: A setpoint visible through the cover and top-access adjustment screws simplify field calibration for various duct configurations

often eliminating the need for an external field-supplied disconnect

Lennox 12Y80 Sequencer 340155-7026 Maintaining proper pressure monitoring withThe Lennox 12Y80 Sequencer (OEM part number 104284 03) is a critical thermal sequencer relay used to manage staged heating in Lennox electric furnaces and air handlers. As a DPDT normally open component, it acts as a timing controller for 24V circuits, ensuring that heating elements and blower motors activate in a staggered sequence. This staged operation is vital for preventing massive inrush current and potential electrical overload on the job site.

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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