Description
The Maxitrol 325-5BL-3/4 is a certified line pressure gas regulator engineered for reliable, precise gas pressure control in residential and commercial HVAC and gas appliance applications. Featuring a 3/4″ NPT connection, this regulator is built with a lever acting design and incorporates Maxitrol’s Imblue Technology for enhanced corrosion resistance and long-term durability. Positive dead-end lock-up ensures safe, stable pressure control even when downstream flow demand drops to zero.
Key Specifications
- Connection Size: 3/4″ NPT
- Maximum Inlet Pressure: 2 PSI
- Outlet Pressure Range: 7–11″ w.c.
- Maximum Individual Appliance Load: 425,000 BTU/hr
- Maximum Multiple Appliance Load: 600,000 BTU/hr
- Design: Lever Acting
- Lock-Up: Positive Dead-End Lock-Up
- Technology: Imblue Corrosion-Resistant Coating
- Certification: Certified Line Pressure Gas Regulator
Features & Benefits
- Lever Acting Design: Delivers smooth, responsive pressure regulation for consistent downstream gas supply
- Positive Dead-End Lock-Up: Prevents pressure creep when all downstream appliances are off, enhancing system safety
- Imblue Technology: Proprietary corrosion-resistant treatment extends service life in demanding environments
- High Capacity: Supports up to 600,000 BTU/hr for multiple-appliance installations, making it suitable for larger commercial or multi-unit residential systems
- Certified Performance: Meets industry certification standards for line pressure gas regulation, ensuring code-compliant installations
- 3/4″ NPT Connection: Standard pipe thread sizing for straightforward installation into existing gas supply lines
Typical Applications
- Commercial and residential gas appliance supply lines
- Multi-appliance gas distribution systems
- HVAC heating equipment gas trains
- Boilers, furnaces, and water heaters requiring precise line pressure regulation







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