500M Aprilaire Humidifier - Overview

Diagrams for 500M

See every part. Know exactly what you need.

Part List

Parts for the 500M

Manual Humidistat

Part #4655

Water Panel Evaporator

Part #10

Scale Control Insert

Part #4640

Drain Spud

Part #4223

It is an identical replacement for a damaged or a missing drain spud that was installed on a new unit. The part helps to direct the water that is being drained. Check the diagrams for your specific model to ensure the correct repair procedure. This high-quality drain spud is made of durable plastic and is sold as an individual item. It is supplied by the original manufacturer for Aprilaire humidifiers.

Saddle Valve

Part #4001A

In-line Strainer

Part #4004A

Transformer

Part #4010A

Damper Assembly

Part #4332

Feed Tube With Strainer, Orifice, Compression Sleeve And Nut

Part #4335

Resistor Case & Manual Label

Part #4336

Base (almond - Replaced By 4730)

Part #4641

Cover, Almond

Part #4642A