Description
The Nordyne 663864R is an OEM 3/4″ low side service valve engineered for use in Nordyne HVAC systems. Designed to provide technicians with a reliable access point on the low-pressure side of the refrigerant circuit, this service valve enables safe and accurate refrigerant charging, recovery, and system diagnostics without compromising system integrity.
Key Features
- OEM Nordyne replacement part — ensures proper fit and function in compatible Nordyne equipment
- 3/4″ connection size — designed for low side refrigerant circuit access
- Low side service valve — allows for refrigerant charging, evacuation, and pressure testing
- Durable construction — built to withstand the demands of routine HVAC service and maintenance
- Direct replacement — simplifies installation and reduces system downtime
Applications
- Compatible with Nordyne HVAC systems requiring low side service valve replacement
- Ideal for HVAC technicians performing refrigerant service, system evacuation, or pressure diagnostics
Product Specifications
- Brand: Nordyne
- Part Number: 663864R
- Connection Size: 3/4″
- Valve Type: Low Side Service Valve







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