M9220-HGC-3 | 24V SR PROP ZERO&SPAN 2SW 177# | Johnson Controls Application_30 Gallon Upgrade your piping system with

Upgrade your piping system with this reliable and efficient valve solution

This stud is crafted from high-quality materials and features a rugged construction for durability in harsh environments

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Its knurled surface ensures a tight fit

Whether you're servicing or upgrading refrigeration systems

M9220-HGC-3 | 24V SR PROP ZERO&SPAN 2SW 177# | Johnson Controls Application_30 Gallon Upgrade your piping system with**M9220 HGC 3 HVAC Zero & Span Calibration Tool from Johnson Controls** The M9220 HGC 3 calibration tool from Johnson Controls is a specialized instrument designed for HVAC (Heating, Ventilation, and Air Conditioning) professionals. It features: * **24V Operation:** Works with 24V HVAC systems. * **Zero & Span Adjustment:** Allows technicians to precisely calibrate zero and span points for HVAC sensors. * **Two Switch Design:** Provides convenient