the Armstrong C3510-4 is built from high-grade Series 11LD stainless steel

For technicians performing HVAC element replacement

For 1-1/8 inch or larger suction lines

the high-quality plastic construction is designed to resist common commercial cleaning agents typically used in facility maintenance

Carrier EA36YP287 Expansion Valve 321042-401 the Armstrong C3510-4 is builtThe Carrier EA36YP287 Thermal Expansion Valve is a critical OEM metering device engineered for high precision refrigerant control in residential HVAC systems. As a hard shutoff TXV, it prevents bleed through during the off cycle, maintaining a pressure differential that necessitates a hard start kit on single phase compressors for reliable ignition. This bi metal valve is specifically designed for R 410A systems, though technical data suggests broad