Mastercool – 403 Series Hoses 1/4″ SAE – Standard & High Pressure Hose Set

Description

Mastercool – 403 Series Hoses 1/4″ SAE – Standard & High Pressure Hose Set

Mastercool’s 403 Series Hoses are engineered for durability and high performance in both standard and high-pressure HVAC applications. Constructed with Grade 5 hose material, each set includes blue, yellow, and red hoses with 1/4″ SAE fittings and knurled brass nuts for easy hand tightening. Crimped with 8-segment dies, these hoses ensure a secure, leak-proof fit and meet all EPA, SAE, and UL refrigerant containment requirements.

Whether you’re servicing residential systems or handling commercial-grade refrigerants, these hoses deliver reliable performance and flexibility. Available in multiple lengths to suit any workspace or technician preference.

Ideal for HVAC professionals working with R134a, R404A, R410A, and other common refrigerants.

✅ Key Features

• ✅ Grade 5 Hose Construction – Designed for both standard and high-pressure applications.

• ✅ Knurled Brass Nuts – For easy, secure finger tightening.

• ✅ 8-Segment Crimping – Enhances hose durability and sealing.

• ✅ Blue/Yellow/Red Color-Coded Set – Quick visual identification during service.

• ✅ Meets EPA, SAE & UL Standards – Ensures refrigerant safety and containment.

• ✅ 1/4” SAE Fittings – Compatible with standard HVAC tools and gauges.

Specifications

• Connection Size: 1/4″ SAE (both ends)

• Material: Grade 5 Standard & Nylon Barrier Hose

• Colour: Blue, Yellow, Red (1 of each per set)

• Application: HVAC refrigerant service

• Standards: EPA, SAE, UL Compliant

Available Variants (Length Options)