the Sporlan 168072—also identified as the QC-1 Yellow Cartridge—is the specific internal component required for precise refrigerant metering

This model is the direct technical replacement for legacy part numbers 01-0842 and 621678

suitable for most high-rise commercial HVAC zone valve applications

The TR40VA004 features inherently limited over-current protection

Ranco A30-262 Refrigeration Control Els PW 17895 the Sporlan 168072—also identified asThe Ranco A30 262 Refrigeration Control is a heavy duty, adaptable constant differential temperature control engineered for precision in commercial refrigeration, freezers, and ice machines. This SPST cold control is designed for high performance switching, featuring high amperage contacts rated for up to 20 Amps at 120 240V AC. It utilizes laser welded stainless steel bellows and a vapor filled capillary to ensure reliable pneumatic action and