This SPST normally closed high-limit control features a 7-inch insertion length

it offers versatility for systems requiring multi-stage airflow control to optimize seasonal performance

use a new gasket or high-temperature silicone to ensure a gastight seal during replacement

compatible with standard Johnson Controls wall boxes and terminal fittings

While functionally similar to other 650/450 PSI controls

Belimo 01DT-5QP Temp Sensor 326058-758 This SPST normally closed high-limitFor veteran contractors looking for reliable environmental data integration, the Belimo 01DT 5QP stands as a professional grade duct temperature sensor engineered for precise thermal monitoring. Featuring a passive NTC20k high accuracy thermistor, this 8 inch NTC 20k thermistor provides distinct resistance characteristics across a wide operating range of 60 to 300F. The HVAC temperature sensor is housed in a rugged NEMA 4X enclosure with an IP65