HVAC

Manual High side CO2 Coupler Meets S’ J639.Reliable, self-locking construction.Provides precise filling with an adjustable opening.High pressure resistance with a burst pressure of 8700 psi.Easy...

Manual Low side CO2 coupler Meets S’ J639.Reliable, self-locking construction.Provides precise filling with an adjustable opening.High pressure resistance with a burst pressure of 8700 psi.Easy...

Manual Service Couplers Quick-connect design has an integral safety sleeve which protects against injury and refrigerant loss if the coupler is disconnected under pressure. Compact design easily fits...

Master Disconnect Tool Set for A/C and Fuel Lines Contains 8 popular disconnect tools for A/C and fuel lines. A complete set of disconnect tools that can be stored in a handy blow-molded case 39900

Master Disconnect Tool Set Contains:. 3/8, 1/2, 5/8, and 3/4 Disconnect Tools for Ford and Chrysler. 3/8 and 1/2 Disconnect Tools for Ford fuel lines. 5/8 Disconnect Tool for Ford heater hoses. 5/16...

Master In-Line Flaring Tool Kit Unique design locks the adapters, cone and tube in a perfect line with less risk of breaking adapters. The clamp and setscrews put pressure directly over the tube...

Master Leak Shield Mini Dye Injector Lubricates system and helps prevent leaks. Seals small leaks in evaporator, condenser, hoses, O-rings and gaskets. Illuminates larger leaks with high quality...

Master Plus Disconnect Set A set of the most popular disconnect tools in one handy molded case. Includes fuel line quick connect and spring lock couplings, air conditioning line couplings, and...

Master Valve Core Remover & Installer Kit Remove & Install replacement valve cores WITHOUT losing refrigerant charge. Fits standard and large valve cores. Service R12 & R134a service ports 2750

MASTERCOOL'S INDOOR / OUTDOOR PORTABLE UTILITY BLOWER FANS PROVIDE ON THE SPOT COOLING AND VENTILATION IN A VARIETY OF APPLICATIONS. MADE USING IMPACT ABS PLASTIC HOUSING. BLOWERS OFFER VARIABLE...

MasterCool interior cooler grill cover made of durable high impact polystyrene for years of dependable use. Provides attractive barrier from cold air, dust and dirt when cooler is not in use. Easy...

Maxx Air confined space blower fan provides directional airflow in limited access areas such as a basement, crawl space, or attic. The 20-foot flexible polyvinyl hose attaches to the utility fan's...