Johnson Controls TEC2126H-4 Control 30067439-890 Maintenance-Free Design: Double EPDM O-rings

Maintenance-Free Design: Double EPDM O-rings and a fiberglass-reinforced Teflon seat ensure a bubble-tight shutoff without the need for periodic packing adjustments

For higher temperatures

Robust Contact Design: Silver-cadmium oxide or similar alloy contacts reduce pitting and arcing during high-cycle heating and cooling demands

or high-draw contactors

or direct sunlight

Johnson Controls TEC2126H-4 Control 30067439-890 Maintenance-Free Design: Double EPDM O-ringsThe Johnson Controls TEC2126H 4 is a professional grade N2 networked thermostat controller engineered for precision climate management in hospitality fan coil applications. As the direct replacement for TEC2126 H2, this unit facilitates seamless integration into existing Metasys Building Automation Systems (BAS) without requiring extensive hardware reconfiguration. Designed to handle two pipe or four pipe fan coil units, it supports on off or floating