a single Honeywell 221508A2 board allows for the operation of up to four M91XX motors in unison

This HVAC rocker switch is designed to operate within the standard voltage ratings of the compatible Marley heater families

including snap-action thermostatic sensors and thermal actuators

allowing for high-strength brazing without the need for additional cooling wet-rags

This electronically commutated motor (ECM) utilizes advanced DC voltage technology to maximize airflow efficiency and system reliability

Johnson Controls VG1245FSH958BGA Valve Assembly 340793-762 a single Honeywell 221508A2 boardThe Johnson Controls VG1245FSH958BGA is a heavy duty, 2 inch normally closed ball valve assembly engineered for precise control in commercial HVAC systems. This 2 way NPT ball valve features a forged brass body and 300 series stainless steel trim, making it highly resistant to corrosion and suitable for chilled water, hot water, and low pressure steam applications up to 15 psi. Utilizing a 46. 8 Cv equal percentage flow characteristic, this assembly