the SM185-4RI is optimized for R22 refrigerant systems

distinguishing it from switches used in higher-pressure or secondary-stage furnace applications

ensuring uniform water saturation and preventing bypass air leakage

covering most district energy and commercial boiler applications

Fabricated from high-temperature resistant materials

Resideo HC26E1004 Humidifier Pad 340155-7024 the SM185-4RI is optimized forThe Resideo HC26E1004 Humidifier Pad is a critical replacement water panel designed for high efficiency bypass and fan powered humidification systems. Engineered with a proprietary AgION antimicrobial coating, this evaporator pad utilizes silver ion technology to actively suppress the growth of mold, algae, and bacteria on the media surface, ensuring cleaner moisture output throughout the building. This OEM Honeywell replacement pad features a durable