AP-4021 - Aprilaire OEM Replacement Humidifier Red Water Orifice by Aprilaire
$6.35
AP-4021 - Aprilaire OEM Replacement Humidifier Red Water Orifice by Aprilaire
- This is a BRAND NEW OEM Aprilaire Humidifier Red Water Orifice. This simple but critical part regulates the flow of water into the humidifier. Over time it can become clogged with sediments or mineral deposits. It should be replaced annually for optimum performance. Be sure to clean or replace your In Line Strainer (Aprilaire part # AP-4004) when you replace the orifice.