By stabilizing the cooling loop chemistry

whereas the AG13 series is intended for standard temperature range applications

making it a preferred choice for residential and light commercial HVAC furnace repair

and GCS29 packaged units

ensuring reliable operation of air dampers and water valves in complex 24VAC/DC circuits

Armstrong International 812-3/4-15 Trap Els PW 17895 By stabilizing the cooling loopThe Armstrong International 812 3 4 15 Trap is a high performance inverted bucket steam trap engineered for reliable condensate management in low pressure steam systems. Featuring a rugged cast iron body and a 3 4" NPT connection, this 812 Series trap is specifically designed for 15 PSI applications with a 5 16" orifice. Its unique leverage system multiplies the force of the bucket to ensure a tight seal against system pressure, while the free