the 621898R furnace relay is the superior OEM replacement part for the older 621898 and the AZ2280-1A-24A series

leak-resistant connection

and hospitals

How do I troubleshoot an Armstrong furnace rollout code

Robertshaw 1751-726 Cable Assembly the 621898R furnace relay isThe Robertshaw 1751 726 Cable Assembly is a critical high voltage component designed for reliable ignition in commercial kitchen equipment and heavy duty HVACR applications. This 26 1 2 inch high voltage cable is engineered to deliver consistent sparking from the ignition module to the pilot assembly or burner electrode. It features a heavy duty silicone or high temperature insulation jacket capable of withstanding the extreme heat common in fryer