this actuator maintains the standard mounting footprint and stroke characteristics required for existing Barber Colman valve and damper hardware

including AMFH

making it ideal for accessible outdoor pits or high-moisture installations

and Arcoaire condenser sections

which offer superior thermal resistance compared to standard HVAC actuators

Laars Heating Systems A2123411 Cartridge Assembly 326058-757 this actuator maintains the standardThe Laars Heating Systems A2123411 Cartridge Assembly is a critical OEM replacement part engineered for hydronic boiler and commercial water heater applications. This Taco 180 270RP pattern assembly features a heavy duty cast iron body designed to handle the rigorous demanding flow requirements of high efficiency heating systems. It is effectively utilized in various Laars boiler models and pool heaters, functioning as a primary component to regulate