any B138 belt will match another of the same size

allowing for installation without dismantling the internal seals

s specifications for overheat protection in Heil

System Compatibility: Designed for specific high-efficiency Nordyne

While the attached junction box provides a primary mounting surface

Grundfos 59896343 Pump 326058-756 any B138 belt will matchThe Grundfos 59896343, also known as the UPS15 58FRC, is a high efficiency 3 speed circulator pump designed for technical precision in closed loop hydronic heating systems. Featuring a 1 25 HP wet rotor motor, this unit operates at 115V and utilizes a durable cast iron housing. The "FRC" designation signifies a rotated flange configuration and an integrated check valve (IFC), allowing for seamless installation in tight mechanical rooms where standard