Description
The Mueller Industries AJ17840 is a heavy-duty Pressure Regulating Valve (PRV) engineered for dependable downstream pressure control in HVAC, plumbing, and hydronic piping systems. Rated at 450 lb (450#), this valve is built to handle demanding pressure conditions while maintaining consistent, stable outlet pressure to protect downstream equipment and piping.
Key Features
- 450 lb (450#) pressure rating for high-demand applications
- 1″ NPTFE (external thread) inlet connection for secure, leak-resistant installation
- 1″ NPTFI (internal thread) outlet connection for flexible system integration
- Pressure regulating design maintains stable downstream pressure
- Compact, inline body style for straightforward installation in tight spaces
- Mueller Industries quality construction for long service life
Applications
- HVAC hydronic heating and cooling systems
- Commercial and residential plumbing pressure management
- Boiler feed and water distribution systems
- Industrial fluid handling where pressure reduction is required
Specifications
- SKU: AJ17840
- Brand: Mueller Industries
- Pressure Rating: 450#
- Inlet Connection: 1″ NPTFE (External Thread)
- Outlet Connection: 1″ NPTFI (Internal Thread)
- Valve Type: Pressure Regulating Valve (PRV)







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