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Designed specifically for compatibility with Williams furnace models and wall heaters
By regulating the pressure drop across the orifice
heavy-duty solution for regulating airflow in rectangular ductwork
the probe should be removed and inspected annually for scale or sediment accumulation to ensure proper conductivity between the probe and the boiler water
While CSA certified for 1/2 PSI
Trane VAL20658 Service Valve 320788-702 Designed specifically for compatibility withThe Trane VAL20658 3 8" x 3 8" Liquid Service Valve is an OEM refrigerant control component designed for use in Trane and compatible HVAC systems. This valve provides a secure service access point for charging, evacuating, and servicing refrigeration circuits while maintaining system integrity. Built to OEM specifications, the VAL20658 ensures proper refrigerant flow management and dependable sealing performance in air conditioning and heat pump