Pay in 4 interest-free payments of $82.83 Learn more
Ships within 48 hours · Estimated delivery Sep 18 - Sep 23
Engineered to replace obsolete part numbers RLY1002 and 100167473
Dual Media Compatibility: NBR seals allow for versatile use with water
eliminating the troubleshooting headaches often caused by generic aftermarket alternatives
Interchangeable Design: Serves as a drop-in technical substitute for 6308-2Z and standard 6308ZZ series units
Common Questions Is the 78L19 compatible with R-410A systems
Powers Commercial 420-451 Retro Kit Freon Engineered to replace obsolete partThe Powers Commercial 420 451 Retro Kit is a specialized field upgrade solution designed to streamline the transition from legacy 420 series components to high performance 451 relay configurations. For technicians managing commercial HVAC systems, this kit is an essential mechanical room supply that facilitates a direct conversion without the labor intensive requirement of total system rewiring. By integrating a wax element and cartridge assembly, the