Bard HVAC 800-0198BX Tube Assembly R-407C How do I know when

How do I know when the filter drier needs replacing

Common signs include a "hunting" suction pressure

and 815 Series

paired with a trimmable guide rod

Bard HVAC 800-0198BX Tube Assembly R-407C How do I know whenThe Bard HVAC 800 0198BX Tube Assembly is a precise cap tube assembly engineered for high pressure refrigerant metering in specific Bard HVAC wall mount HVAC units and heat pump systems. This assembly is designed to maintain exact pressure drops across the refrigeration circuit, ensuring the compressor operates within intended parameters for optimal efficiency. Constructed with durable copper tubing and factory flared connections, the 800 0198BX