Description
The Daikin-McQuay 4018678 is a genuine OEM 3-way valve assembly designed for use in Daikin-McQuay commercial HVAC systems. Featuring a 3/8″ connection size, this valve assembly provides reliable three-way flow control to support heating, cooling, and diverting applications in hydronic and refrigerant-based systems.
Product Overview
As a factory-authorized replacement part, the 4018678 valve assembly is engineered to meet the exact specifications of the original equipment, ensuring proper fit, function, and system performance. Whether you are performing routine maintenance or replacing a failed component, this OEM part helps restore your system to peak operating condition.
Key Features
- Genuine Daikin-McQuay OEM replacement valve assembly
- 3-way valve configuration for versatile flow control and diverting applications
- 3/8″ connection size for precise system compatibility
- Engineered for reliable, long-term performance in commercial HVAC applications
- Direct drop-in replacement — no modifications required
Applications
- Commercial heating and cooling systems
- Hydronic and chilled water systems
- Fan coil units and air handling equipment
- Daikin-McQuay OEM equipment requiring 3-way valve replacement
Why Choose OEM Parts?
Using genuine Daikin-McQuay replacement parts ensures compatibility, maintains system warranties, and delivers the performance reliability that aftermarket alternatives may not provide. The 4018678 valve assembly is the correct solution for technicians and facility managers who demand quality and precision in every repair.
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