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The Aaon R49010 SCR Control is a heavy-duty Three Phase SCR Controller designed to manage 3P/30A/600V Master configurations
This 10 5/8" diameter blower wheel features a 7 1/8" width and a standard 1/2" bore
The sample line connections use 1/4" OD metallic tubing with integral compression ferrules
maintaining the high static pressure required for safe unit heater operation
Siemens Building Technology 331-2998 Actuator Els PW 17895 The Aaon R49010 SCR ControlThe 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
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