the S1-026-34027-000 is the standardized OEM replacement for the discontinued S1-2702-3191

The Carrier UVLXXRPL1020 is a high-output replacement UV bulb engineered specifically for Carrier Performance and Infinity Series Germicidal UV Lamps

This harness is designed for several Lennox furnace models

it is the standard specification for several Nordyne-manufactured brands

This 2-inch valve usually mates with a 3/8"-16 threaded rod

Siemens Building Technology 535-741-4 Sensor 30067439-890 the S1-026-34027-000 is the standardizedThe 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