Description
Mueller Industries AH15503 Pressure Reducing Valve Overview
The Mueller Industries AH15503 is a 400 lb-rated Pressure Reducing Valve (PRV) designed for demanding HVAC, refrigeration, and plumbing applications. Featuring a 3/8″ NPT Female (NPTFE) inlet connection and a 1/2″ flare outlet connection, this valve delivers dependable downstream pressure regulation while maintaining system integrity and protecting sensitive components from pressure surges.
Key Features
- 400 lb pressure rating for robust, high-demand system use
- 3/8″ NPT Female (NPTFE) inlet connection for easy threaded installation
- 1/2″ flare outlet connection for secure, leak-resistant tubing attachment
- Compact, durable construction engineered to Mueller Industries’ quality standards
- Suitable for HVAC, refrigeration, and plumbing pressure regulation applications
- Designed for reliable, long-service-life performance in the field
Specifications
- SKU: AH15503
- Brand: Mueller Industries
- Pressure Rating: 400 lbs
- Inlet Connection: 3/8″ NPTFE (NPT Female)
- Outlet Connection: 1/2″ Flare
- Valve Type: Pressure Reducing Valve (PRV)
Application
The AH15503 is ideal for use in HVAC systems, refrigeration circuits, and plumbing installations where precise pressure reduction is required. The combination of a threaded NPT female inlet and a flare outlet makes this valve a versatile choice for connecting copper tubing and threaded pipe assemblies in a wide range of commercial and residential systems.







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