and MC-9810

enabling technicians to verify stem travel at a glance without specialized tools

ensuring precise fuel regulation for commercial water heaters and boilers

making it suitable for both open and closed-loop commercial cooling systems using non-corrosive refrigerants

This 24VAC two-position actuator is part of the Erie PopTop AG Series

Advanced Distributor Products 176799976 Piston Orifice 319825-402 and MC-9810The Advanced Distributor Products 176799976 Piston Orifice is a high precision metering component engineered to optimize refrigerant flow within residential and commercial HVAC systems. Specifically designed for R410A refrigerant systems, this size #76 piston orifice ensures the consistent performance of 4 ton evaporator coils by maintaining an exact pressure drop as liquid refrigerant enters the coil. This "fixed bore" metering device is a preferred