Replacement Gauge 80 mm PSI/°C for R410a, R22, R404a, R134a

80mm replacement HVAC gauge with PSI/°C scale for R410a, R22, R404a, R134a. Durable, accurate, and compatible with most 2-way and 4-way manifolds.

Universal Replacement Gauge Set PSI / ºC R410a, R22, R404a, R134a Transform Your HVAC-R Experience with the HCPRO Universal Replacement Gauge Set!

Upgrade your HVAC-R toolkit with the HCPRO Universal Replacement Gauge (80 mm). Precision-machined brass and stainless-steel internals deliver accurate pressure readings (30 in Hg vacuum to 800 PSI) and temperature measurements (–40 °C to 60 °C) on a clear, dual-scale dial. Its non-liquid-filled design enhances shock resistance, while the removable rubber boot shields against drops and impacts.

Equipped with a standard 1/8″ (M) NPT connection and ±1.60% accuracy, this gauge integrates seamlessly into existing manifolds and hoses. Ideal for servicing residential mini-splits up to commercial chillers, the HCPRO Universal Gauge delivers reliable, professional-grade performance at an unbeatable price.

This 80mm Replacement HVAC Gauge is designed for compatibility with most 2-way and 4-way manifold sets used in R410a, R22, R404a, and R134a systems. With a clear PSI/°C scale and color-coded refrigerant markings, this gauge ensures fast and accurate pressure readings during charging, recovery, or vacuum.

The heavy-duty brass base and shock-resistant body deliver long-term reliability, even in tough job site environments. Whether you’re servicing residential A/C units, heat pumps, or commercial refrigeration systems, this replacement gauge is the professional’s choice.

• ✅ 80mm face with easy-to-read PSI/°C scale

• ✅ Compatible with R410a, R22, R404a, and R134a refrigerants

• ✅ Fits most standard HVAC manifold gauge sets

• ✅ Color-coded dial for faster system diagnostics

• ✅ Durable brass connection with shock-resistant housing

• ✅ Designed for charging, evacuation, and recovery

Key Features:

• Versatile Compatibility: Supports R410a, R22, R404a, and R134a refrigerants, making it the perfect universal tool for diverse HVAC-R applications.
• Dual-Scale Readings: Provides both PSI and ºC measurements, ensuring precise and easy-to-understand data at a glance.
• Clear Display: Boasts a large, easy-to-read dial face, allowing for quick and accurate readings even in low-light conditions.
• Robust Construction: Built from high-quality materials like brass, stainless steel, and glass, ensuring durability and long-lasting performance.
• Protective Design: Equipped with a rubber boot protector to shield the gauge from shocks and impacts, enhancing its lifespan.
• Accurate and Reliable: Delivers consistent and precise measurements, helping you achieve optimal performance in all your HVAC-R tasks.

Focus Keyword: replacement HVAC gauge 80mm

Dial Size: 80 mm (3.15")

Measurement Units: PSI / °C

Compatible Refrigerants: R410a, R22, R404a, R134a

Connection Thread: 1/8" NPT (standard manifold gauge thread)

Face Type: Color-coded analog dial

Material: Brass base, polycarbonate lens

Accuracy Class: ±1.6% full-scale

Application: HVAC service, pressure testing, refrigerant charging

Shock Resistant: Yes

UV & Moisture Resistant: Yes

Max Pressure: Up to 800 PSI

Burst Pressure: >4000 PSI

Temperature Range: -40°C to 80°C

Mounting Style: Rear thread or direct gauge set replacement

Hazardous Material: No

Prop 65 Warning: None

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