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this automatic changeover control facilitates the critical transition between heating and cooling circuits in combination hot and chilled water systems
For peak effectiveness
Automatic Reset Functionality: Eliminates the need for manual intervention by resetting once the system cools to 100°F
This genuine Maxitrol part is essential for maintaining ANSI Z21
The stainless steel power element and laser-welded diaphragm offer superior resistance to corrosion and high-pressure stress
MDI Mercury Displacement 35NO-120AT Contactor 319847-401 this automatic changeover control facilitatesProfessional grade MDI Mercury Displacement 35NO 120AT Contactor is designed for high cycle industrial applications where mechanical relays fail. This single pole normally open contactor features a 120V AC coil and is rated for 35 Amp resistive loads, making it the standard for electric heat control and industrial processing equipment. Unlike standard electromagnetic contactors, the MDI 35NO 120AT utilizes a hermetically sealed liquid mercury contact
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