The Daikin-McQuay 250803500 is a BACnet-compatible thermostat engineered for commercial and light industrial HVAC applications. Designed to integrate directly with building automation systems (BAS) using the BACnet open communication protocol, this thermostat enables centralized monitoring, scheduling, and control of connected HVAC equipment — reducing energy consumption and improving occupant comfort across facilities of all sizes.
Key Features
- BACnet open-protocol communication for seamless building automation system integration
- Designed for use with Daikin-McQuay commercial HVAC equipment
- Supports centralized scheduling, setpoint management, and remote monitoring
- Enables energy-efficient operation through intelligent, networked control
- Reliable OEM replacement thermostat — direct fit for compatible Daikin-McQuay systems
Application
The 250803500 BACnet Thermostat is ideal for commercial buildings, schools, healthcare facilities, and any application where Daikin-McQuay HVAC equipment is integrated into a broader building automation network. Its BACnet protocol support ensures interoperability with a wide range of third-party BAS controllers and software platforms.
Why Choose Daikin-McQuay OEM Parts?
Using genuine Daikin-McQuay OEM components ensures proper system compatibility, maintains equipment warranties, and delivers the performance reliability that facility managers and HVAC professionals depend on. The 250803500 is a direct replacement part, eliminating guesswork and reducing installation time.








