The SPDT contact configuration allows the technician to break the main ignition circuit while simultaneously closing a secondary circuit to trigger a remote status light or building automation system (BAS) notification

this board provides the precision voltage regulation required for the C1

the SP8828D ignition cable is built to withstand the thermal stress and high-ambient temperatures common in commercial and industrial HVACR environments

Mounting in other positions may cause a small zero shift that must be corrected using the zero trimmer

this SPST fan relay protector ensures the blower motor only activates once the heating element reaches 130°F

Johnson Controls T22BBC-1 Thermostat Refrigerant The SPDT contact configuration allowsThe Johnson Controls T22BBC 1 is a professional grade line voltage wall thermostat designed specifically for heating only applications in demanding environments. This mechanical SPST thermostat provides reliable control for 120V, 208V, or 240V systems without the need for heat anticipators. Engineered for performance in unit heaters, fan coils, and electric duct furnaces, the T22BBC 1 features a rugged steel cover with a "Tawny Silver" baked enamel