Aprilaire 550 Series Humidifier

Replacement Water Panels

Maintain efficiency and prevent bacteria growth, replace your water panel 1-2 times per year.

(case of 2 Water Panels)
$19.95
Reg. $39.98, You Save 50%
(case of 2 Water Panels)
$14.88
Reg. $39.98, You Save 63%

Complete Tune-Up Kit

A Tune-Up kit has everything you need to get your Aprilaire 550 Series Humidifier running like new. Perform every 2-3 years.

$45.27

Tune Up Kit For Aprilaire Model 550 Series Humidifiers (Part # 4793).  This Tune-Up Kit works for whole house small bypass humidifiers - models 550, 550A and 558.

This kit contains everything you need to maintain your Aprilaire humidifier.  The kit includes:

  • #10 Water Panel (QTY 1)
  • 4226 - Feed Tube Assembly With 4184 Nozzle (nozzle snaps into distribution tray)
  • 4231 - Yellow Orifice (comes nested in feed tube)
  • 4004 - Inline Strainer (included in feed tube envelope)
  • Compression Nut and Ferule (included in feed tube envelope)
  • 4217- Scale Control Insert
  • 4218- Water Distribution Tray
  • 4184 - Nozzle 

All Other Parts

Aprilaire Humidifier Parts
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