this is specifically for systems expecting a 333 ohm baseline

Rugged Construction: Durable all-steel housing protects the internal bellows and snap-action contacts from industrial environments

While it features a 1/2-inch bore

"one-handed" installation or replacement without draining the system

The Danfoss 065F-8959 (also identified as 065F8959) is a high-torque ESBE 92-2EM Series actuator designed for precise control in hydronic heating and cooling systems

Johnson Controls VG1841FS Valve 321702-401 this is specifically for systemsThe Johnson Controls VG1841FS is a professional grade 2 inch 3 way ball valve engineered for precision bypass and mixing in commercial HVAC systems. This VG1000 Series valve features a rugged forged brass body and a specialized Amodel flow characterizing disk, ensuring a true equal percentage flow characteristic for stable temperature control. With a high Cv rating of 46. 8 and a static pressure rating of 580 psig, this unit is built to handle high