providing a non-resettable safety break if combustion temperatures breach the firebox boundary

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

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

If the return water temperature fails to reach the specified setpoint or the boiler stays in bypass mode too long

Johnson Controls VG1841FS Valve 321702-401 providing a non-resettable safety breakThe 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