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is a high-capacity automatic air vent designed for efficient air elimination in hydronic heating and cooling systems
and safety controls
Look for visible cracks in the metal
secure installation within the cabinet rail
It is primarily utilized in Marley unit heaters and compatible Berko or QMark fan-forced heaters
MARS 61624 Auxiliary Switch 319847-401 is a high-capacity automatic airThe MARS 61624 Auxiliary Switch is a heavy duty, side mounted electrical component designed for seamless integration with MARS 780 series definite purpose contactors. Engineered for 75 90 amp applications, this 1 NO auxiliary contact provides a reliable secondary control circuit that activates precisely when the primary contactor coil is energized. As a veteran grade OEM HVAC replacement part, it ensures stable performance in demanding commercial
US$ 23.99
US$ 10.00
US$ 12.00
US$ 13.20
