This board mounted limit control is specifically engineered with a 3

and 8263 solenoid valves

it prevents heat exchanger damage by breaking the circuit when internal temperatures exceed safety parameters

Technicians should first verify the 24V supply and inspect the board for flash codes or scorched traces

ensuring reliable fire and smoke damper control under extreme conditions

Armstrong International 811-3/4-30 Trap THPU32HP7Y This board mounted limit controlThe Armstrong International 811 3 4 30 is a high performance inverted bucket steam trap engineered for superior condensate drainage in industrial and commercial steam systems. Featuring a rugged cast iron body and a 3 4" NPT connection, this Series 811 steam trap is designed to handle pressures up to 30 PSI with a precision engineered 3 16" orifice. Unlike other designs, the inverted bucket mechanism provides exceptional resistance to water hammer and