Armstrong International 811-3/4-70 Trap R-410A whereas a 1-pole unit only

whereas a 1-pole unit only breaks one side

Durable Construction: Heavy-duty materials resist the warping and corrosion typically found in coastal or high-humidity environments

Common Questions: What is the primary function of the A-AS61411 in a commercial system

Technical Precision: Lapped metal seats and a plain lever assembly allow for manual testing and repeatable

Armstrong International 811-3/4-70 Trap R-410A whereas a 1-pole unit onlyThe Armstrong International 811 3 4 70 Trap is a high performance inverted bucket steam trap designed for exceptional energy efficiency and longevity in industrial steam systems. Engineered with a rugged cast iron body, this Series 811 model features a 3 4" NPT connection and a precision lapped 5 32" orifice, optimized for a maximum operating pressure of 70 PSI. Its unique leverage system and bottom in top out configuration ensure reliable condensate