Aprilaire Model 112 Parts

Aprilaire has discontinued many parts for the model 112. We have several in stock and update the website several times per day for accuracy.

Aprilaire Humidifier Model 112 Parts List
Diagram #	Name	Part #	Price
1	Saddle Valve	4001	$13.18
2	Water Distribution Pan Cover - Discontinued	4036	Discontinued
3	120 Volt Humidifier Control	4258	$75.00
4	Water Solenoid Valve	4005	$64.00
5	Orifice (Red)	4021	$3.00
6	Copper Tube	4022	$10.30
7	Water Panel Evaporator	12	$12.25 or 3/$32.85
8	Scale Control Insert - Discontinued	4023	Discontinued
9	Motor - Discontinued	4011	Discontinued
10	Feed Tube Clamp	4037	$3.00
11	24V Quick Disconnect - Discontinued	4014	Discontinued
12	Power Cord	4260	$21.00
13	Manual Humidistat	4016	$45.00
14	Upper Housing - Discontinued	4018	Discontinued
15	Lower Housing - Discontinued	4020	Discontinued
16	Motor Mounting Plate - Discontinued	4024	Discontinued
17	Closure Clip Set - Discontinued	4025	Discontinued
19	In Line Strainer	4004	$5.75
20	Nylon Bushing - Discontinued	4029	Discontinued
21	Electrical Bracket & Grommet - Discontinued	4030	Discontinued
22	Cork Isolator	4031	$8.95
23	Fan Blade - Discontinued	4033	Discontinued
24	Swing Lock Set	4034	$6.00
	Auto-Trac Humidistat	56	$95.00
	"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
	Transformer	4010	$22.52
	Current Sensing Relay - Discontinued	4012	Discontinued
	Shock Arrestor	4280	$101.26