While factory-calibrated to NIST standards

This model operates on 24 VAC/Vdc

this safety valve must be installed in a vertical upright position directly on the pressure vessel or piping nozzle

making it the preferred choice for modulating airflow and maintaining static pressure balance across multiple zones

Watts 0780008 Valve 340155-7024 While factory-calibrated to NIST standardsThe Watts 0780008 (Series 750 12) is a 3 4 inch heavy duty float valve engineered for critical water level control in high demand commercial and industrial HVACR environments. This bronze mechanical float valve features a robust 3 4" MNPT outlet and a machined flange on the inlet side, specifically designed for stable bulkhead tank wall mounting. Primarily used in cooling towers, evaporative condensers, and large scale refrigeration systems, this unit