The unit's operating range allows it to function in unconditioned spaces as low as -30°F

meaning the system or zone must be drained and the water cooled to prevent injury

you should never replace a longer lead with a shorter one if it creates tension on the connections

Does this part require a bypass for installation

Resideo 32006027-001 Prefilter Els PW 17895 The unit's operating range allowsThe Resideo 32006027 001 Prefilter is a critical 2 inch component engineered specifically for the F500 Whole House HEPA Air Cleaner series. This HEPA prefilter replacement serves as the primary stage of filtration, designed to capture larger airborne particulates before they reach the high efficiency HEPA media. By trapping dust, lint, and fibers, the 32006027 001 prevents premature loading of the secondary filter, maintaining optimal HVAC static