Mastercool 53001 Nitrogen Pressure Regulator | Professional-Grade | HVAC & Automotive Leak Testing | 1/4” SAE Flare Outlet | 10,000 PSI | Durable & Reliable

Name: Mastercool 53001 Nitrogen Pressure Regulator | Professional-Grade | HVAC & Automotive Leak Testing | 1/4” SAE Flare Outlet | 10,000 PSI | Durable & Reliable
Brand: Mastercool
SKU: awhd-us-b00dkwggd0
Price: 132.94 USD
Availability: InStock

Brand: Mastercool

Condition: Used

$132⁹⁴

$154⁵³

-14% Save $21⁵⁹

Updated: 3 days ago

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Description

Precision-Engineered for HVAC and A/C Systems – Designed to support nitrogen leak testing in HVAC/R and automotive A/C systems, this single-stage regulator offers stable pressure control in service environments where refrigerant is not present.

High and Low Pressure Gauge Set – Includes a high-pressure gauge rated to 4400 psig (300 bar) and a low-pressure gauge rated to 1000 psig (70 bar). Large 63 mm (2.5”) gauges with protective guards provide clear, accurate pressure readings.

Controlled Pressure Adjustment – Features an ergonomic T-handle for precise pressure regulation and a 1/4” SAE flare outlet with integrated control valve to maintain consistent output pressure during use.

Durable, Field-Ready Construction – Built with robust components to withstand regular use in shop and field settings. Rugged enough for professional environments and portable for on-site service.

Compatible with Nitrogen Testing Equipment – Works seamlessly with nitrogen tanks using a CGA580 inlet. Ideal for technicians conducting system leak testing, pressure testing, and routine service diagnostics.

Compact and Portable – Lightweight design fits easily in tool storage systems or carrying cases. A practical choice for technicians requiring mobility between jobs.

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Product Details

SKU:: awhd-us-b00dkwggd0
Model:: REGULATOR
Country:: US
ASIN:: B00DKWGGD0
GTIN:: 00700376530018
UPC:: 700376530018

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $22 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

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Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.