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With nominal dimensions of 10-1/2" x 11-1/2" x 1-1/2"
or excessive negative pressure in the mechanical room causing the flue gases to spill back into the space
Industrial Construction: Cast iron body with protective coating designed for long-term resistance to moisture and corrosion
making it a reliable hard start kit component or a direct OEM replacement relay
This part is a standard requirement for Lochinvar EnergyRite pool heaters and Copper-Fin II boilers
Aaon P59900 Pressure Switch Els PW 17895 With nominal dimensions of 10-1/2"As an experienced HVAC tech, you know that keeping a rooftop unit in the clear depends on reliable signal proving. The Aaon P59900 Pressure Switch is a critical differential air pressure switch designed specifically for AAON HVAC systems, functioning as a safety and operational interlock. With a factory set sensitivity of 0. 25 inches water column, this genuine AAON OEM part provides the precise pressure detection needed to verify inducer operation or