making it a versatile damper linkage accessory for legacy and modern pneumatic or electric control systems

it is fully suitable for R-410A systems and other high-pressure applications

eliminating the need for modifications or conversion kit adaptations

paired with sleeve bearings for quiet

As an OEM Bard HVAC part

Carrier HK06WC030 Air Flow Switch 318820-201 making it a versatile damperThe Carrier HK06WC030 Air Flow Switch is a factory authorized pressure differential switch engineered for precise performance monitoring in commercial and residential HVAC systems. Designed with a single pole double throw (SPDT) configuration, this switch provides versatile circuit control, allowing the system to trigger proof of flow signals or lockout sequences based on static pressure changes. It operates within a sensitivity range of 0. 05 to 2. 0