Aprilaire Model 224 Parts

Aprilaire has discontinued many parts for the model 224. We have several in stock and update the website several times per day for accuracy.

Aprilaire Humidifier Model 224 Parts List
Diagram #	Name	Part #	Price
1	Saddle Valve	4001	$13.18
2	Screw and Clip Set - Discontinued	4027	Discontinued
3	In Line Strainer	4004	$5.75
4	Water Solenoid Valve	4040	$75.02
5	Orifice (Red)	4021	$2.70
6	Copper Tube - Discontinued	4042	Discontinued
7	Water Panel Evaporator	12	$12.25 or 3/$32.85
8	Scale Control Insert - Discontinued	4023	Discontinued
9	Transformer	4010	$22.52
10	Manual Humidistat	4016	$45.00
11	Water Distribution Pan Cover - Discontinued	4044	Discontinued
12	Upper Housing - Discontinued	4046	Discontinued
13	Lower Housing - Discontinued	4049	Discontinued
14	Closure Clip Set - Discontinued	4050	Discontinued
15	"Z" Clip Retainer Set - Discontinued	4052	Discontinued
	Auto-Trac Humidistat	56	$95.00
	Auto-Trac Sensor and Shield	4278	$14.95
	"O" Ring for Bullet Shaped Solenoid Valve - Discontinued	4006	Discontinued
	Strainer for Bullet Shaped Solenoid Valve	4103	$10.25
	Drain Spud Replacement Kit - Discontinued	4038	$6.40
	Humidistat Adapter Plate	4039	$5.70
	Shock Arrestor	4280	$101.26