Fieldpiece GS434F 4‑Port Analog Manifold Gauge Set with Sight Glass — Swappable Hose Holders & High‑Grip Knobs

Designed for technicians who prefer tactile, no-nonsense instruments, the GS434F blends traditional analog clarity with practical field features. It reads pressures reliably, displays refrigerant flow through a sight glass, and adapts quickly via swappable hose holders and rotating markers so you can move from vehicle to rooftop without juggling tools.

How does the GS434F improve field troubleshooting?

The GS434F gives immediate, legible pressure readings and a visual refrigerant check so you can evaluate system behavior fast. Its clear sight glass helps confirm flow during charging, recovery, or leak tracing, while tactile controls let you operate confidently in gloves.

• Integrated sight glass for visual refrigerant verification
• Four analog ports for multi-line monitoring
• High-grip knobs and piston valves for precise manual control

Which refrigerants and service tasks is this manifold compatible with?

The set supports common modern refrigerants thanks to included saturation temperature rings for R134a, R404A, R407C and R448A, letting you convert pressure readings to temperature quickly. That makes it suitable for charging, evacuation monitoring, and system verification across a broad range of HVACR equipment.

• Four refrigerant saturation rings included for fast reference
• Suitable for charging, recovery checks, and pressure diagnosis
• Analog gauges for straightforward readings without electronics

What features make the GS434F durable and service-ready?

Built to hit the jobsite daily, the GS434F uses a protective rubber housing and robust internal valves to withstand drops, dirt, and repetitive use. Swappable hose holders and a rotating pressure marker let you customize the setup for different fittings and line sizes.

• Rubberized protective housing resists impact and grime
• Swappable hose holders (standard 1/4" with optional 5/16") for flexible connections
• Rotating pressure marker for quick reference adjustments

How does the GS434F simplify everyday handling and measurement?

Ergonomic, textured knobs and a compact layout make valve manipulation precise even with gloves or in tight spaces. The analog display eliminates setup delays from electronics, while the clear layout keeps readings and controls intuitive.

• Textured high-grip knobs for secure operation in cold or greasy conditions
• Piston valves provide consistent, leak-resistant control
• Compact footprint fits common tool bags and belts for easy transport

Who is this for: The Fieldpiece GS434F is aimed at HVACR technicians and service contractors who value dependable analog instruments on busy service calls. It suits pros who need fast visual confirmation of refrigerant flow, flexible hose configurations, and a durable build that stands up to daily field use without relying on batteries or software.