Siemens Building Technology QAA2212.FWNN Sensor 326058-755 Durable Construction: Built with a

Durable Construction: Built with a classic industrial design to withstand the environmental fluctuations found in mechanical rooms or living spaces

making it versatile for most residential and light commercial electrical services

utilizing 1/2 inch ODF inlet and 7/8 inch ODF outlet copper solder connections for a hermetic

it ensures exact mechanical compatibility with Johnson Controls and York blower assemblies

The Carrier HK02ZA439 Pressure Switch is a high-pressure safety cutout designed for precise refrigerant circuit monitoring in Carrier

Siemens Building Technology QAA2212.FWNN Sensor 326058-755 Durable Construction: Built with aThe Siemens Building Technology QAA2212. FWNN is a professional grade room temperature sensor designed for high precision building automation. Built with a 1k Ohm Platinum RTD (385 Alpha) sensing element, this unit delivers exceptional accuracy of + 0. 54F at 32F, ensuring stable environmental control in commercial offices, classrooms, and industrial facilities. This model features a full LCD display for real time monitoring and an integrated setpoint