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The McDonnell & Miller 110400 is a manual magnetic switch designed for precise control in HVAC systems. This model is compatible with the 93, 193, 94, and 194 series, enhancing operational reliability and efficiency.
Maximize HVAC performance and safety with the McDonnell & Miller 110400 switch. Its durable construction and manual reset features ensure long service life and dependable performance.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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