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The sample line connections use 1/4" OD metallic tubing with integral compression ferrules
The Aaon R49010 SCR Control is a heavy-duty Three Phase SCR Controller designed to manage 3P/30A/600V Master configurations
maintaining the high static pressure required for safe unit heater operation
The robust double-pole configuration provides effective circuit isolation
a new defrost sensor (thermistor)
Siemens Building Technology 331-2998 Actuator Els PW 17895 The sample line connections useThe Siemens Building Technology 331 2998 is a high performance No. 4 Pneumatic Damper Actuator engineered for the gradual or positive actuation of HVAC dampers. This rugged, metal fabricated unit is a staple for contractors managing air flow in fire and smoke damper systems, mixing boxes, and terminal units. With a 4 inch stroke and a nominal spring range of 8 13 psi, this actuator provides the precise mechanical force required for reliable pneumatic
