UCS-221E Control Module Els PW 17895 or excessive scale buildup within

or excessive scale buildup within the heat exchanger

preventing hunting and ensuring optimal positioning power

Engineered with a type 43 element and a C thermostatic charge

Always cross-reference the part number on the existing housing before installation

specific terminal labels should be matched to your controller’s input configuration to ensure the momentary closure is detected correctly

UCS-221E Control Module Els PW 17895 or excessive scale buildup withinThe UCS 221E Control Module is a high precision electro pneumatic sequencer designed to interface electronic controllers with pneumatic actuators and mechanical equipment. As the direct UCS 221 replacement, this module provides seamless two stage relay control for HVAC and industrial process systems. The unit operates on a 24 VAC VDC supply voltage and features jumper selectable 0 20 mA or 0 15 VDC input signals, ensuring compatibility with a wide