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The RCD p110-1045 is an OEM-style replacement humidifier pad designed for whole-house bypass and flow-through humidifier systems installed on forced-air HVAC equipment. Measuring 9.5 inches x 10 inches, this evaporator pad allows water to wick across its surface while conditioned air passes through, adding moisture to the airstream during heating cycles. The pad also captures airborne particulates including dust and debris, helping reduce irritants in the conditioned space. Licensed HVAC technicians and experienced service pros install this pad as part of routine seasonal humidifier maintenance, typically at the start of the heating season.
This humidifier pad is suited for residential forced-air systems equipped with a compatible bypass or flow-through humidifier unit. It is intended as a direct replacement during scheduled maintenance visits when mineral buildup, scaling, or reduced humidification output indicates pad degradation. Keeping the pad fresh ensures consistent moisture output and helps protect system components from scale accumulation over the heating season.
Designed as an OEM-style replacement humidifier pad for residential forced-air bypass and flow-through humidifier systems requiring a 9.5 inches x 10 inches evaporator pad.
A licensed HVAC technician should perform this replacement. Before servicing the humidifier, shut off power to the air handler or furnace at the disconnect and close the saddle valve supplying water to the humidifier. Remove the humidifier cover, extract the old pad and water panel frame, seat the new pad securely, and reassemble before restoring power and water supply. Do not operate the humidifier without the pad installed, as water can bypass the evaporator surface and cause internal component damage.
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