Description
The Daikin-McQuay 300060398 is a factory-specified low air pressure switch designed to monitor and protect air-handling and HVAC equipment from operating under unsafe low-pressure conditions. Set at a 0.35 inches water column (WC) trip point, this switch provides reliable detection of pressure drops that could indicate blower failures, clogged filters, or other airflow restrictions — helping prevent equipment damage and ensuring safe system operation.
As a genuine Daikin-McQuay OEM replacement part, the 300060398 is engineered to exact specifications for seamless compatibility with Daikin-McQuay commercial HVAC systems. Technicians and facility managers can trust this switch to deliver consistent, accurate performance and long service life.
Key Features
- OEM Daikin-McQuay replacement low air pressure switch
- 0.35 inches water column (WC) set point for low-pressure detection
- Protects equipment from blower failures, airflow restrictions, and clogged filters
- Designed for direct drop-in replacement on compatible Daikin-McQuay commercial HVAC equipment
- Helps maintain safe and efficient system operation
- Durable construction for reliable long-term performance
Product Specifications
- Brand: Daikin-McQuay
- Part Number / SKU: 300060398
- Switch Type: Low Air Pressure Switch
- Set Point: 0.35 WC (inches water column)
- Application: Commercial HVAC air-handling systems
Applications
- Commercial air handling units (AHUs)
- Daikin-McQuay rooftop units and fan coil systems
- Airflow proving and protection circuits
- Low-pressure safety interlock applications







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