the "C" suffix typically denotes bulk or commercial packaging but does not change the form

This specific kit is optimized for water service applications

including pilot-operated regulators and standard 243-8 or 243-12 units

Output Pressure: Low-volume 3-15 psig range for precise small-scale actuation

Robertshaw 6001-201 Vibra Switch Refrigerant the "C" suffix typically denotesThe Robertshaw 6001 201 Vibra Switch is a high performance vibration detection switch designed to protect rotating machinery such as pumps, fans, and cooling towers from catastrophic damage. Housed in a rugged NEMA 4 weatherproof enclosure, this unit is engineered to sense destructive vibrations and trigger a shutdown or alarm before mechanical failure occurs. This model features a 15 second startup delay, which is critical for industrial applications