The visible LED status indicator provides instant diagnostic feedback by confirming when the relay is activated

The "HH" designation indicates a specialized charcoal core blend

By integrating a quartz insulation body

F) printed on the window inserts

provided the 24V coil voltage and 3-pole configuration are identical

Ranco ETC-212000-000 Temperature Control Refrigerant The visible LED status indicatorThe Ranco ETC 212000 000 is an industrial grade two stage electronic temperature control engineered for precision in commercial refrigeration and HVAC systems. operating on 24V AC, this microprocessor based controller provides a seamless digital replacement for outdated electromechanical switches. It features an expansive 30F to 220F temperature range and a user adjustable 1F to 30F differential, allowing for tight control over complex staging