Overview
The Mueller Industries AG15503 is a 350 pressure reducing valve (PRV) engineered for dependable pressure regulation in HVAC, refrigeration, and plumbing applications. Featuring a 3/8″ female NPT (NPTFE) inlet and a 1/2″ flare outlet, this valve provides a secure, leak-resistant connection between threaded and flare-type piping systems. Mueller Industries is a trusted name in flow control and fluid handling, and the AG15503 upholds that reputation with robust construction designed to handle demanding service conditions.
Key Features
- 350 pressure rating for high-demand service environments
- 3/8″ female NPT (NPTFE) inlet connection for easy threaded installation
- 1/2″ flare outlet for reliable, vibration-resistant flare connections
- Compact design suitable for tight installation spaces
- Durable construction from Mueller Industries — a leading manufacturer of flow control products
- Ideal for HVAC, refrigeration, and plumbing pressure regulation applications
Specifications
- SKU: AG15503
- Brand: Mueller Industries
- Pressure Rating: 350
- Inlet Connection: 3/8″ Female NPT (NPTFE)
- Outlet Connection: 1/2″ Flare
- Valve Type: Pressure Reducing Valve (PRV)
Applications
- HVAC refrigerant line pressure regulation
- Plumbing and hydronic system pressure control
- Refrigeration systems requiring NPT-to-flare transitions
- Any application requiring a reliable 350 rated PRV with mixed connection types
