The integrated 24Vac actuator utilizes a three-wire floating signal and features a spring return with time-out logic

suitable for driving medium-sized dampers in ventilation and exhaust systems

cross-referencing over a dozen specialized part numbers including Robertshaw 41-402 and Norton 201 series

this pan provides a sloped drainage design to optimize flow and minimize the buildup of algae or sediment that typically leads to line blockages

188B Fafnir LRCSM-1 equivalent

Johnson Controls D-3153-1 Damper Actuator Els PW 17895 The integrated 24Vac actuator utilizesThe Johnson Controls D 3153 1 is a heavy duty pneumatic piston damper actuator engineered for precise control of large ventilation dampers and safety applications. This unit features a rugged die cast aluminum body and a high performance 15 square inch synthetic elastomer diaphragm, providing the force necessary to drive dampers up to 25 square feet in two position applications or 16 square feet for proportional volume control. With an 8 13 psi spring