Aprilaire Orifice Size Chart. Orifice Plate Sizes for Engineers EngineerExcel Aulpq Replacement Humidifier Parts Yellow Orifice 4231 for Aprilaire humidifier 400, 500, 550, 550A, 558, 560, 560A, 568 and 600 Locate outdoor RH on the left of the chart and outdoor temperature at the bottom
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Yellow orifice for Aprilaire humidifier models 400, 500, 600, 400A, 500A, 600A, 500M, 600M and 700M Check the Aprilaire Orifice for Humidifier 400, 500, 550, 558, 560, 568, 600 ratings before checking out.
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-2 Pcs SPT SU-1053B: Personal Humidifier (Black/White) Aprilaire AprilAire 4839 Humidifier Maintenance Kit with Water Panel Model No Locate outdoor RH on the left of the chart and outdoor temperature at the bottom Indoor RH is where the vertical and horizontal col-umns meet
FlowOrifice Charts Jetech International LLC. The smallest Aprilaire Humidifier under most operating conditions, has this humidifying capacity AprilAire 4231 yellow orifices are the tiny nylon components which, accurately meter the flow of water into humidifier models 400, 500, 550, 558, 560, 568, and 600.
Orifice Conversion Chart Printable. ft.) requires the addition of approximately 9 gallons of water per day to maintain 35% relative humidity when the outside temperature is 20° Aprilaire 1 X 4231 - OEM Replacement Humidifier Yellow Water Orifice by Aprilaire Recommendations Aulpq Replacement Humidifier Parts Yellow Orifice 4231 for Aprilaire humidifier 400, 500, 550, 550A, 558, 560, 560A, 568 and 600