Grundfos 99452454 Pump R-22 If your motor spins counter-clockwise

If your motor spins counter-clockwise

making it a reliable OEM replacement filter drier for systems utilizing CFC

the damper motor is likely the issue

Built to withstand the rigors of commercial mechanical rooms

Key Benefits for HVAC Professionals OEM Calibration: Factory-set at 0

Grundfos 99452454 Pump R-22 If your motor spins counter-clockwiseThe Grundfos 99452454, model UP15 10B5 TLC, is a single speed bronze circulator pump engineered for peak efficiency in domestic hot water recirculation and open loop heating systems. Designed for 115V operation, this 1 25 HP pump features a 1 2" sweat connection and an integrated digital timer with battery backup, allowing contractors to optimize system runtime based on specific demand patterns. The canned rotor design ensures the bearings are