Lennox 26W04 Collector Box Plate 320734-701 The Siemens 257-02033 is a

The Siemens 257-02033 is a 2-way normally open pneumatic valve assembly engineered for precise proportional control in heating and cooling applications

"HERM" connects to the hermetic compressor lead

as long as the controller is configured to receive an analog 0-5 VDC signal for current detection and energy usage tracking

preventing simultaneous high-draw loads

which is vital for maintaining optimal airflow and heat exchange efficiency

Lennox 26W04 Collector Box Plate 320734-701 The Siemens 257-02033 is aThe Lennox 26W04 Collector Box Plate is a critical OEM replacement component designed for high efficiency gas furnaces and unit heaters. As an essential part of the combustion assembly, this condensate collector box plate manages the transition of flue gases while effectively channeling corrosive condensate away from the heat exchanger and combustion air inducer. Constructed from durable, corrosion resistant materials, the 26W04 ensures a precise