4521N-300 - Gentec 452 Series Heavy Duty Nitrogen Regulator, 0-300 PSI Delivery

Reliable Nitrogen Control for HVAC and Fabrication

When you are out in the field testing lines or purging an HVAC system, you need equipment that won't let you down. The Gentec 4521N-300 Nitrogen Regulator is built for the tradesman who demands reliability and precision. With its solid forged brass construction, this regulator can take the bumps and bruises of daily job site use while delivering consistent performance every time you crack the valve.

Designed specifically for nitrogen gas, this regulator features a standard CGA 580 inlet that fits your nitrogen tanks perfectly. The easy-to-adjust handle allows you to dial in your pressure anywhere from 0 to 300 PSI, giving you the control you need whether you are blowing out a drain line or pressure testing a new installation. The large, easy-to-read gauges mean you aren't squinting to check your levels, helping you work faster and more safely.

The 5/8" outlet makes connecting your hoses simple and secure. Gentec has built a reputation for quality, and the 4521N-300 is no exception. It features a sintered bronze filter to keep dirt out of the regulator, ensuring it lasts longer and performs better. Whether you are a welder needing purge gas or an HVAC technician performing leak checks, this heavy-duty regulator is the tool you want in your kit. Stop struggling with inferior equipment and upgrade to a regulator that works as hard as you do.