Daikin-McQuay 0151R00187S 3/8" Sweat Service Valve

The Daikin-McQuay 0151R00187S is an OEM genuine 3/8-inch sweat-type service valve designed for use in residential and light commercial HVAC systems. Also known as a valve base or king valve, this component provides technicians with reliable access to the refrigerant circuit for servicing, charging, and recovering refrigerant without needing to replace core system components.

Manufactured under the Daikin Comfort Technologies family of brands, this part is interchangeable across Daikin, Goodman, and Amana equipment lines that share the same platform and specifications. The sweat (solder) connection type ensures a secure, leak-free installation when properly brazed into the refrigerant line set.

Key Features:

• OEM Replacement Part — Factory-new, genuine Daikin-McQuay component
• 3/8" Sweat Connection — Solder-type fitting for a permanent, leak-free seal
• Service Valve / Valve Base Design — Allows refrigerant access for maintenance, charging, and recovery
• Cross-Brand Compatibility — Used across Daikin, Goodman, and Amana HVAC platforms
• Replaces Legacy Part — Supersedes OEM part number 0151R00187

The 0151R00187S is the updated "S" suffix version, replacing the earlier 0151R00187. Backed by a 1-year manufacturer warranty, this service valve is a straightforward OEM solution for HVAC technicians performing routine system maintenance or refrigerant-side repairs.