the SPDT switch design allows for versatile on/off control based on temperature rise or fall

significant rust scaling

the model TC-V is the dedicated vacuum breaker and gasket designed specifically for the TC-U (Upper) valve in the McDonnell & Miller Series TC-4 set

Key Benefits System Stability: Maintains optimal superheat levels to maximize heat transfer across the evaporator coil

Always inspect the venting and orifice for debris before replacing the switch

Daikin-McQuay 300046465 Controller 340155-7026 the SPDT switch design allowsThe Daikin McQuay 300046465 Controller, specifically the MT3021 VLV EXP CONTROLLER, is a high precision sub module engineered for managing Electronic Expansion Valves (EEVs) in commercial refrigeration and large scale cooling plants. Built for rugged field reliability, this EEV controller handles demanding high pressure environments up to 600 psi while maintaining a minimum operational threshold of 5 psi. It is specifically calibrated for R 410A