MARS 19002 63 Universal Potential Relay, 170V Color_Red Large oil sight glass for

Large oil sight glass for easy monitoring of oil level

Wireless and rechargeable with a built-in WiFi hotspot

Tank Tracker™ (refrigerant use) and customer data to others

Magnetic backing on handheld display for mounting to metal services or 360° swivel hanging hook

Yellow Jacket 19011 3/8" Replacement Gasket for Refrigeration Hoses

MARS 19002 63 Universal Potential Relay, 170V Color_Red Large oil sight glass forMARS 19002 63 Universal Potential Relay, 170V The MARS refrigeration potential relay service kit has become an industry standard since its introduction over fifty years ago. Its long term reliability and easy replacement have been the key to its success. The wide calibration ranges and the universal bracket make the MARS potential relay service kit a must on every service truck. Genuine MARS relays replace thousands of O. E. M. models Non Positional