The Mastercool MC82834-E High-Side Manual Coupler is engineered for fast, secure, and damage-free connections to R134a service ports during refrigerant charging, recovery, or system testing. Designed to work with R134a manifold gauge sets, this coupler ensures safe, leak-free operation in both automotive and HVAC/R servicing.

Specifications

• Connection Type: High-side manual coupler
• Fitting Size: 1/4” FL-M x 16 mm quick coupler
• Refrigerant Type: R134a
• Construction: All-metal body for maximum durability
• Patented Design: US Patent #5,370,359
• Compliance: Meets SAE, UL, and EPA refrigerant containment requirements

Key Features

• Adjusts easily to R134a service ports with varying dimensions
• Patented spring-loaded depressor prevents service valve damage
• Removable from service ports in any knob position without refrigerant loss
• Colour-coded for quick identification in the field
• Ideal for professional HVAC/R and automotive technicians

Recommended Compatible Tools

• R134a Manifold Gauge Sets – Pair with a quality manifold set for accurate system diagnostics and safe refrigerant handling.
• Mastercool Couplers Collection – Match with a low-side coupler or keep spares for complete servicing capability.