Description
Belimo 01APS-50R Differential Pressure Switch Overview
The Belimo 01APS-50R is a differential pressure switch engineered for dependable performance in commercial and residential HVAC applications. With a sensing range of 0.08 to 1.20 inches water column (WC), this switch is well-suited for monitoring air pressure differentials across filters, fans, coils, and ductwork — helping ensure proper airflow and system efficiency.
Key Features
- Differential pressure sensing range: 0.08–1.20 in. WC
- Designed for air pressure monitoring in HVAC duct systems
- Ideal for filter status monitoring, fan proving, and airflow verification
- Compact, field-installable design for easy integration
- Manufactured by Belimo, a globally trusted HVAC controls brand
Typical Applications
- Air handling units (AHUs)
- Filter differential pressure monitoring
- Fan proving and airflow confirmation
- Commercial building automation and controls systems
Why Choose Belimo?
Belimo is a world leader in the development, production, and marketing of actuator solutions for controlling heating, ventilation, and air conditioning systems. The 01APS-50R reflects Belimo’s commitment to precision, reliability, and ease of installation — making it a go-to choice for HVAC professionals and building automation contractors.







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