The P100DA-81 is technically identical to the P100DA-81C and is frequently used to protect compressors from excessive head pressure

This model is often cross-referenced as an alternative to the Honeywell L4006A series

OEM Compatibility: Engineered as a drop-in replacement for Carrier part number 50DK406552

5-10 PSI operating range allows for accurate damper positioning in varied pneumatic air handling applications

Carrier B02111 Door Assembly Refrigerant The P100DA-81 is technically identicalThe Carrier B02111 Observation Door Assembly is a critical OEM replacement component designed for high capacity industrial chillers and HVAC units. This Carrier chiller part ensures a secure, airtight seal for the observation port, allowing technicians to inspect internal operations without compromising system pressure. Constructed for durability, the B02111 assembly prevents refrigerant leaks and maintains thermal efficiency within the cabinet. As an