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Accuracy Preservation: Minimizes direct solar gain and foreign matter accumulation to ensure precise ambient temperature sensing
Installation Versatility: The non-positional design and snap-off bracket allow for seamless integration in any orientation
Key Benefits Universal Compatibility: Direct replacement for MARS 64 and 90-64
Remove the lens or use the adjustment screw on the pointer hub to zero the needle while the bulb is submerged in the slurry
McDonnell & Miller 304300 Snap Switch Els PW 17895 Accuracy Preservation: Minimizes direct solarThe McDonnell & Miller 304300, also identified as the FS1 17 Snap Switch Assembly, is the critical single pole, double throw (SPDT) replacement component designed for Series FS1, FS4 3D, FS5, FS6, and AFE 1 liquid flow switches. This industrial grade switch is engineered specifically for high sensitivity applications in hydronic heating and HVAC systems where detecting low or moderate flow rates is vital for system protection. As an OEM replacement
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