Refrigerant Circuit

Mastercool 2-Way Brass Manifold Gauge Set

Mastercool

5.5 - Good

Forged brass manifold with free-floating piston valves for R-410A, R-22, and R-404A refrigerant systems.

Mastercool 98061 Digital Vacuum Gauge

Mastercool

5.9 - Good

Thermocouple-based digital vacuum gauge measuring atmosphere to 1 micron with programmable target vacuum range and 6-digit readout.

NAVAC NRP6Di Smart Vacuum Pump

NAVAC

6.5 - Good

Brushless DC inverter-driven pump with built-in digital micron gauge, automatic solenoid valve, and smart control that auto-extends to meet target vacuum.

NAVAC NSP1 Bluetooth Pressure Probe

NAVAC

6.6 - Good

Wireless Bluetooth pressure probe with built-in digital display, 200-hour battery life, A2L compatible, and MeasureQuick integration.

Industrial-grade wireless pressure and temperature sensors with 10+ sensor capability, extended Bluetooth range, and MeasureQuick integration.

Robinair 2-Way Aluminum Manifold Gauge Set

Robinair

5.4 - Good

Professional-grade aluminum manifold with color-coded hand wheels and EnviroGuard hoses for R-22/R-404A/R-410A systems.

Robinair LD7 Premium Refrigerant Leak Detector

Robinair

6.0 - Good

Infrared refrigerant leak detector with 10-year sensor life, 0.15 oz/yr sensitivity, and automatic recalibration in contaminated areas.

Seitron Be Cool Evo M4S Digital Manifold

Seitron

5.8 - Good

4-way smart digital manifold with Bluetooth wireless temperature clamps, integrated vacuum gauge, and MeasureQuick compatibility.

Testo 115i Wireless Temperature Clamp Probe

Testo

7.0 - Excellent

Bluetooth pipe clamp temperature probe for refrigerant line measurements with Testo Smart App and MeasureQuick integration.

Testo 316-4 Refrigerant Leak Detector

Testo

6.5 - Good

Fast-response refrigerant leak detector with self-monitoring sensor, flexible gooseneck probe, and visual/audible leak alerts.

Testo 549i Wireless Pressure Smart Probe

Testo

7.1 - Excellent

Compact wireless refrigeration pressure probe with 350-foot Bluetooth range, -15 to 870 PSI range, and hose-free Schrader connection.

Testo 550s Smart Digital Manifold

Testo

6.9 - Good

Entry-level Testo Smart Manifold with Bluetooth and 2-way valve block; more affordable path into the Testo Smart Probe ecosystem.

Testo 552i Wireless Vacuum Probe

Testo

7.0 - Excellent

App-controlled wireless vacuum probe with Bluetooth, 1-micron resolution, IP54 rating, and 39-hour battery life for evacuation monitoring.

Testo 557s Smart Digital Manifold

Testo

7.4 - Excellent

4-way valve block with wireless Bluetooth vacuum probe and clamp thermometers included; IP54; guided measurement programs for superheat and subcooling.

Testo Smart Probes (115i / 510i / 605i)

Testo

7.3 - Excellent

Modular Bluetooth probe family — connect up to 4 simultaneously to the 557s manifold or testo 300 analyzer for comprehensive wireless multi-point diagnostics.

Thermal Gas Systems HaloGuard III Refrigerant Monitor

Thermal Gas Systems

6.0 - Good

Photoacoustic infrared area monitor for continuous refrigerant gas detection with 20 PPM sensitivity and BMS integration.

Yellow Jacket 69086 Digital Vacuum Gauge

Yellow Jacket (Thermal Industries)

5.9 - Good

Handheld digital vacuum gauge displaying 7 vacuum units down to 10 microns with patented thermal conductivity sensor and auto temp compensation.

Yellow Jacket 69336 AccuProbe UV Leak Detector

Yellow Jacket (Thermal Industries)

5.9 - Good

Dual-mode electronic and UV leak detector with solid electrolyte sensor, Smart Alarm LED scale, and 3-LED UV light system.

Yellow Jacket Series 41 Digital Manifold

Yellow Jacket (Ritchie Engineering)

6.0 - Good

Budget-accessible digital manifold with 21 refrigerant profiles and proven Ritchie brass manifold body — ideal entry-level upgrade from analog.

Yellow Jacket TITAN 4-Valve Manifold

Yellow Jacket (Ritchie Engineering)

5.5 - Good

Premium 4-valve forged aluminum manifold with 3/8" vacuum port and A2L compatibility, made in the USA.