Does this gauge require a siphon (pigtail)

as well as multiple legacy ICP part numbers including 72502DP26 and HC98ZZ500

Durable Construction: Built with robust materials to withstand the high-cycle heat environments of industrial HVAC systems

With a timing range from 1 second to 24 hours and a lockable settings feature to prevent unauthorized tampering

Emerson Alco 065620 Solenoid Valve Els PW 17895 Does this gauge require aThe Emerson Alco 065620 (Model 200RB3T3M) is a heavy duty, pilot operated refrigeration solenoid valve designed for demanding liquid, discharge, or suction gas service. As a 2 way normally closed solenoid valve, it features an integrated manual stem, an essential feature for technicians needing to manually override the valve or keep it open during system evacuation and emergency bypass scenarios. Built with 3 8 inch ODF extended solder ends, this