Armstrong International 811-1-200 Steam Trap 30067439-890 The modern PopTop actuators are

The modern PopTop actuators are not backwards compatible with the vintage Erie Classic series

ensuring the burner ignites promptly to maintain 82% to 83% thermal efficiency

this bearing assembly includes a secure locking collar to ensure positive shaft retention and eliminate slippage during high-torque operation

is a professional-grade double-acting barometric draft control designed for precise combustion stability in gas-fired furnaces and boilers

Armstrong International 811-1-200 Steam Trap 30067439-890 The modern PopTop actuators areThe Armstrong International 811 1 200 is a high performance inverted bucket steam trap designed for efficient condensate removal in industrial steam systems. Engineered with a durable cast iron body, this Series 811 model features a 1" NPT connection and a precision lapped 7 64" orifice, making it ideal for high pressure environments up to 200 PSI. Its unique leveraged valve system provides a positive opening force to prevent air binding and ensure