Testo 557 4-Valve Digital Manifold Kit with Bluetooth and External Vacuum Gauge
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Testo 557 4-Valve Digital Manifold Kit with Bluetooth and External Vacuum Gauge ($459.00)

Located in Wilmington, North Carolina (284**)

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Brand | Model | Name

Testo 557 4-Valve Digital Manifold Kit with Bluetooth and External Vacuum Gauge

Model: 557 | Order No:0563 1557

Featuring a 4-valve digital manifold with 3/8" and 1/4" vacuum ports comes with a remote vacuum probe for faster and more reliable evacuations, Bluetooth, app connectivity, two clamp temperature probes for instantaneous superheat/subcooling readings, and a convenient service case.

Brand: Testo
Model: 557
Order No: 0563 1557
Condition: NEW

Testo 557 4-Valve Digital Manifold Kit with Bluetooth and External Vacuum Gauge


  • External vacuum probe for faster and more reliable evacuation of the system
  • Bluetooth/App integration for monitoring, report generation, and sending reports and invoices via email
  • Accurate, simultaneous superheat/sub-cooling measurements
  • Measures high side/low side pressures and temperatures
  • 4-way valve block with 1/4" and 3/8" ports
  • External vacuum probe
  • App integration via Bluetooth (65 feet range)

Servicing and Charging on AC/R

  • Stand alone or App operation
  • Measure high and low-side pressures and temperatures
  • 60 on-board refrigerant profiles

Bluetooth App

  • Opens up new possibilities for efficient analysis and documentation
  • Read the measurement data on a smartphone or tablet, allowing for more work quickly and conveniently
  • Finalize and email the measurement report directly from the job site
  • The app allows the list of stored refrigerants to be uploaded

*NOTE: The Testo Refrigeration App currently runs on iOS7 (or later), and Android 4.3 or 4.4 only


  • Airconditioning
  • Refrigeration
  • Preventative maintenance
  • Facilities
  • 4-Valve Digital Manifold
  • 2-NTC Temperature Clamp Probes
  • External Vacuum Probe
  • Case
  • Certificate of Conformity
  • Users Manual
  • Batteries
NTC Measuring Range: -58 to 302°F (-50 to 150°C)
Accuracy: ±.9°F (±0.5°C)
Resolution: 0.1°F (0.1°C)
Vacuum Measuring Range  0 to 20,000 microns
Low Pressure Probe Measuring Range : -14.7 to 870 psi (-1 to 60 bar)
Accuracy: ±0.5% fs
Resolution: 0.1 psi (0.01 bar)
Overload: 940 psi (65 bar)
Storage Temperature   -4 to 140°F (-20 to 60°C)
Operating Temperature  -4 to 122°F (-10 to 50°C)
Battery Life  250 h (less with use of Bluetooth, backlight or vacuum)
Dimensions  8.7 x 4.0 x 2.75" (220 x 125 x 70 mm)
Terms & Conditions

Item Condition: Unless specified otherwise all products listed are Brand New in the original factory packaging and include a full factory warranty.

Shipping: We currently only ship to U.S. buyers. We ship items within one or two business days from payment. We do not process shipments on weekends and holidays. Local pick up is not available. We only ship to addresses verifiable by either PayPal or credit card issuing bank.
Please note that we cannot alter the address once a purchase is made. In the case of PayPal payment, we will ship orders when the payment is marked “Eligible” for PayPal Seller’s protection.

*Shipping Rates are for Continental US, Please Contact us for other US Destinations

Payment: Currently all payments must be made directly though PayPal

Sales Tax: We are required to charge sales tax in North Carolina

Return Policy: If for any reason you are not 100% satisfied with a product you receive from us, you may return the regular stock product within 30 days from the time of receipt, for a full refund or exchange of the product you purchased (less any shipping costs). Within this time, products may be returned; freight prepaid and must be in their original packaging and in resalable condition.

Shipping errors, missing items or damages must be reported to us immediately (damages should be accompanied by a signed bill of lading acknowledging the damage). Items returned will be inspected for damage or misuse at which time they may be subject to restocking fees, other fees or refused, prior to the issuance of any credit.


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