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If your MistAire Humidifier isn’t properly converting water into mist, use this guide to replace the spring inside the cap component.
The spring-loaded (a.k.a. bottle-valve) cap on the humidifier's tank lets water transfer from the filled tank to the heating element in a controlled manner. If the cap has a faulty spring, the water will stay in the tank and the humidifier cannot successfully produce mist. This may occur if dirt accumulates within the base, or if the humidifier is old.
Before using this guide, make sure the tank is empty and does not contain any water. For parts, all you need is a new spring to replace the broken one. These are linked here, on the right hand side. These directions do not require any tools and should take around ten minutes to complete.
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Lift the blue tank off of the base of the humidifier.
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Turn the tank upside down.
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Turn the round cap counterclockwise to completely unscrew it.
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Push the flat side of the rod until the pointed end protrudes from the other side of the cap.
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While still pushing on the rod, tug the small, blue, silicone ring completely off of the pointed end.
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Once the ring is off, pull the rod and spring out from the center of the cap.
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Slide the broken spring off of the rod.
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Slide a new 10x6x19mm Tapered Compression Spring around the rod.
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Ensure the narrower end of the cone-shaped spring goes first.
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Pinch the spring gently to secure it around the rod.
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Push the pointed end of the rod all the way through the center hole of the cap. Hold it there for Step 9.
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Push the small blue ring back onto the pointed end of the rod.
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Now that you have fixed the spring-loaded cap, screw the cap clockwise back onto the bottom of the tank.
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Place the tank back onto the humidifier base.
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UC Davis, Team 1-1, Andersen Winter 2024 crwdns2935289:0UC Davis, Team 1-1, Andersen Winter 2024crwdne2935289:0
UCD-ANDERSEN-W24S1G1
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