the AL-161-4 ensures high-capacity throughput—rated at 25

This control board manages critical system functions

they are designed as a complete electrode probe fitting assembly for rapid replacement of existing 3K series cast iron chambers

Key Benefits Universal Compatibility: Fully compatible with Resideo AQ series Aquastat panels and SOLA Hydronic Control systems for streamlined field installation

delivering a consistent 1/4 HP at 1075 RPM

Dwyer Instruments PAFS-1003 Sensor 319825-402 the AL-161-4 ensures high-capacity throughput—ratedThe Dwyer Instruments PAFS 1003 is a high precision averaging flow sensor engineered for contractors who require accurate velocity pressure readings within VAV terminal units and fan terminal boxes. Featuring a 5 13 32" insertion length, this probe utilizes an "H" port for total pressure and an "L" port for static pressure, providing a clear differential signal for building automation systems. Built with durable ABS polycarbonate wetted materials, it