as well as the T775 Series 2000

The "MD" (Maximum Differential) model provides a wider water level differential between the pump-on and pump-off levels compared to the standard 150S

The Antunes Controls 8224212025 is a high-precision Model ADPRO-900 air differential pressure switch designed for monitoring airflow in commercial HVACR and industrial combustion systems

Rotation is determined by looking at the discharge side of the fan

Honeywell L4079B1033 Controller 321894-708 as well as the T775The Honeywell L4079B1033 Pressuretrol Limit Controller is a high limit safety device engineered for precision monitoring in steam heating systems and applications involving air or non combustible gases. Featuring a 2 15 PSI operating pressure range, this controller utilizes a durable stainless steel diaphragm to sense pressure changes and trigger a manual reset SPST switch that breaks on pressure rise. This manual reset functionality is critical for