Multi-Speed Versatility: Four-speed taps allow for precise CFM adjustments to match the specific ductwork static pressure requirements

Enhanced Safety: Consistent flame sensing prevents "No Flame Detected" errors and rapid cycling that can stress the gas valve

ensuring the unit maintains its original SEER and HSPF ratings without compromising ventilation system performance

The United Electric H400K-456-M540 is a high-performance differential pressure switch engineered for precision monitoring in demanding HVACR and industrial process environments

Siemens Building Technology QAE2030.010 Sensor 326010-701 Multi-Speed Versatility: Four-speed taps allowThe Siemens QAE2030. 010 is a field proven immersion temperature sensor designed for high accuracy monitoring in hydronic HVAC and Building Automation Systems (BAS). Engineered with a 10k Ohm Type 2 NTC thermistor, this sensor delivers a precise resistance based output signal, maintaining a calibration accuracy of 0. 4F at 77F. The unit features a durable 4 inch 300 series stainless steel probe and includes a metal thermowell to ensure rapid thermal