cleaning the shaft with emery cloth and using a penetrant is often sufficient for newer installations

The LEDs provide status for the Modbus and Comm links

ensuring a tight seal when de-energized

the Robertshaw 900-108 Gas Pressure Test Kit is engineered for LP gas and natural gas applications

Armstrong Fluid Technology 110223-320 Pump 319848-301 cleaning the shaft with emeryThe Armstrong Fluid Technology 110223 320 Pump (Model ASTRO 280CI) is a high performance, three speed cast iron circulator specifically engineered for closed loop hydronic heating and cooling systems. Operating on a 115V single phase motor, this maintenance free circulator draws 1. 90 full load amps and consumes 218 watts at its maximum setting. Designed for versatile integration, it features universal flanged connections compatible with 3 4", 1", 1 1