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For contractors performing system maintenance
While the E3-16-03 filter is excellent at coalescing fine aerosols
If your coil has burned out or suffered electrical failure
the HCA charge provides excellent stability in cooling-only R22 applications
This Erie zone valve assembly is a standard choice for contractors looking for high-temperature 2-way valves that provide consistent shut-off performance and long-term reliability in demanding hydronic and steam environments
Trane TDR0731 Transmitter 321894-708 For contractors performing system maintenanceThe Trane TDR0731 Transmitter is a precision low pressure transducer designed for critical monitoring in high performance HVAC systems. This OEM Trane part features a standardized 2 10VDC analog output proportional to a sensing range of 0 20 inches of water column (wc). Engineered for BAS integration and VAV box control, it provides high accuracy differential pressure measurements essential for maintaining proper airflow management and system static