Armstrong International 811-1-15 Trap Els PW 29614 If you observe downstream pressure

If you observe downstream pressure spikes or leaking from the vent hole in the spring cage

or improper fan-to-motor spacing (typically requiring 2-1/8" clearance on specific models)

which prevents the ignition sequence

though it supports a field-adjustable range of 0-25 psi

Armstrong International 811-1-15 Trap Els PW 29614 If you observe downstream pressureThe Armstrong International 811 1 15 Trap is a premier 1" NPT steam trap engineered for reliable condensate removal in low pressure steam systems. Built with a rugged ASTM A48 Class 30 cast iron body, this inverted bucket steam trap features a 1 4" orifice specifically designed to handle a maximum allowable pressure of 15 PSI. By utilizing a simple yet effective mechanical leverage system, the Series 811 steam trap ensures immediate discharge of air