Lennox 12L62 Heat Kit 323055-751 Smith 100111317 Pressure Switch is

Smith 100111317 Pressure Switch is a critical OEM safety component engineered for precise airflow verification in high-efficiency water heaters and boilers

Using a new OEM wiring harness restores the integrity of the signal path and is a standard procedure for resolving complex electrical Gremlins

This SPDT (Single Pole Double Throw) relay features a unique dual-coil input design

This HVAC secondary heat exchanger optimizes surface area contact to ensure maximum BTU recovery and consistent discharge air temperatures

This is the primary stainless steel heat exchanger assembly

Lennox 12L62 Heat Kit 323055-751 Smith 100111317 Pressure Switch isThe Lennox 12L62 (model ECBA25 10 3) is a 10kW electric heat kit designed for seamless integration with compatible Lennox air handlers and residential package units. Engineered for 208 240V three phase applications, this auxiliary heater provides reliable supplemental heat or primary heating in milder climates. It features heavy duty nickel chromium heating elements for corrosion resistance and consistent thermal output. Rapid response thermal limit