Mastercool 53001 Nitrogen Pressure Regulator – Precision, Durability & Performance You Can TrustPROFESSIONAL-GRADE PRECISION – BUILT TO LASTDesigned for HVAC/R and automotive A/C professionals, the Mastercool 53001 Nitrogen Pressure Regulator is built for precision control, long-term durability, and hassle-free performance. Unlike low-cost regulators that fail under pressure, the 53001 is engineered for maximum reliability and accuracy.HIGH-PRESSURE PERFORMANCE – 10,000 PSI RELIABILITYSingle-stage nitrogen regulator designed for leak testing1/4” SAE flare outlet with control valve to maintain stable pressureHigh-pressure gauge: 4400 psig (300 bar)Low-pressure gauge: 1000 psig (70 bar)63mm (2.5”) gauges with protective guardsUNMATCHED EASE OF USE – SIMPLE, EFFICIENT & EFFECTIVEErgonomic T-handle allows for smooth pressure adjustmentsHeavy-duty construction ensures stability and longevityPerfect for HVAC/R and automotive applicationsBUILT TO LAST – TRUSTED BY PROFESSIONALSMastercool tools are highly rated by HVAC and automotive technicians for their durability, accuracy, and ease of use. Designed for long-term reliability, this regulator delivers consistent performance every time.WHY CHOOSE MASTERCOOL?✅ BUILT FOR HVAC & AUTOMOTIVE PROFESSIONALS✅ SINGLE-STAGE, HIGH-PRESSURE DESIGN✅ DURABLE, HEAVY-DUTY CONSTRUCTION? ORDER NOW AND EXPERIENCE THE MASTERCOOL DIFFERENCE!