Unlike standard thermal links

This harness is designed for several Lennox furnace models

verify that the total circuit load does not exceed the 40VA rating to ensure long-term reliability in the field

The Lennox 16U10 Collector Box (also known by part number 619598-10) is a critical OEM replacement cold end header box kit designed for high-efficiency Lennox condensing furnaces

R-410A Ready: Rated for high-pressure applications up to 650 psi

Siemens Building Technology 535-741-4 Sensor 30067439-890 Unlike standard thermal linksThe Siemens Building Technology 535 741 4 Sensor is a professional grade duct temperature sensor designed for integration into commercial and industrial HVAC control systems. Utilizing a high precision 100k Ohm thermistor (NTC Type II), this unit provides an accurate resistance based output signal to track air temperature fluctuations within air handling units or supply return ductwork. The 4 inch rigid probe is constructed from durable materials to