3-1/8″ Blue Compound Dry Manifold Gauges
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Yellow Jacket 49138 3-1/8″ Blue Compound Gauge – Dry, Steel Case, R-22/R-404A/R-410A Compatible
The Yellow Jacket 49138 compound pressure gauge is engineered for use in manifold sets where durable construction and accurate system readings are critical. Designed with a 3-1/8″ dial face and a dry configuration, this gauge provides reliable performance across a range of standard refrigerants, including R-22, R-404A, and R-410A.
Constructed with a steel case and a polycarbonate lens, the 49138 is built to endure the demands of frequent field use. The gauge features color-coded, easy-to-read refrigerant temperature scales and includes Flutterless™ technology to minimize pointer vibration, delivering improved reading stability during system charging or diagnostics.
Key Features
- Compound Pressure Range: Measures both pressure and vacuum
- Flutterless™ Mechanism: Dampens needle oscillation for smoother readings
- Multi-Refrigerant Scales: Calibrated for R-22, R-404A, and R-410A with temperature in °F and °C
- Steel Case with Brass Internals: Designed for rugged job site conditions
- Front Calibration Screw: Allows field adjustment for continued accuracy
Specifications
- Gauge Diameter: 3-1/8 inches
- Lens Material: Polycarbonate
- Case Material: Steel
- Connection Size: 1/8″ NPT lower mount
- Pressure Scale: PSI (inner) / inHg (outer for vacuum)
- Temperature Scales: °F and °C
Usage and Application
Designed for HVAC technicians working on systems charged with R-22, R-404A, or R-410A, the Yellow Jacket 49138 gauge supports accurate pressure measurement for installation, maintenance, and troubleshooting tasks. The compound design makes it suitable for both low-side pressure and vacuum readings.
Installation Considerations
The gauge is compatible with most standard manifold sets using a 1/8″ NPT connection. Always verify proper sealing and ensure the system is depressurized before installation or removal. Routine recalibration is recommended for high-usage environments to maintain accuracy.
Fast, Reliable Delivery for Every Order
At Primes Distribution, we understand that timely delivery is just as important as product quality. That’s why we partner with trusted carriers to make sure your plumbing, HVAC, and heating supplies arrive safely and on time.
Shipping Methods
We offer multiple shipping options to fit your needs:
Standard Shipping: 3–7 business days across the continental U.S.
Expedited Shipping: 1–3 business days for urgent orders.
Local Pickup: Available at our warehouse by appointment.
Order Processing
All in-stock orders are processed within 1–2 business days. You’ll receive a confirmation email once your order is placed and a tracking number as soon as it ships.
Orders placed after 3 PM or on weekends will be processed the next business day.
Shipping Costs
Shipping costs are calculated at checkout based on weight, dimensions, and delivery location. Large or heavy items (like water heaters or HVAC units) may require special freight handling.
Delivery Areas
We currently deliver throughout the United States. For bulk or international shipments, please contact our support team for a custom quote.
Damaged or Missing Items
If your shipment arrives damaged or incomplete, report it within 48 hours of delivery. Our support team will quickly arrange a replacement or refund.
Need Help?
If you have questions about your order or need help tracking a shipment, reach out to our customer support team at:
📧 sales@primesdistribution.com
📞 786-937-7081
