Modulating Steam Humidistat used with Model 866

Modulating Steam Humidistat used with Model 866

The Model 5558 automatic digital modulating control package is the recommended humidistat for the Aprilaire modulating steam humidifier.

• Selectable Celsius or Fahrenheit scale. 
• Outputs controlling humidification and dehumidification. 
• Integrated sensor for better application flexibility. 
• Multi-level lockable access menu and lockable set point to prevent accidental changes. 

Write a review

Please login or register to review
  • Brand: Aprilaire
  • Product Code: DH45558
  • Availability: In Stock
  • $455.99
PIRANHA Now You Can Increase The Size And Efficiency Of Your Plant's Roots! Roots are the foundat..
$85.54
Vegamatrix Bloom is formulated to be a complete plant food. It is designed with flowering, fruiting ..
$22.99
The Ideal H2O® Premium Coconut Carbon Filter removes 200% more chlorine, chloramine, and other harmf..
$79.95
Carbon filters are no longer just for the ends of your air filtration system. Now they can be instal..
$347.95
GOLDEN GODDESS Now You Can Use Nature’s “Golden Secret” To Maximize Your High-Yielding Plants Too ..
$7.20
Sun Blaze® fixtures feature an advanced reflector design that delivers excellent reflectivity and di..
$169.95
EZ-Clone® is proud to announce the introduction of the brand new 32 Site Low Pro System. The overall..
$259.95
This item is the delivery manifold for the Current Culture Under Current® and Evolution systems. Jus..
$93.95
Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of f..
$129.95 $97.46
Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of f..
$169.95 $127.46
AzaMax is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & ..
$29.58 $22.18
AzaMax is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & ..
$69.98 $52.48
AzaMax is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & ..
$118.95 $89.21
Boveda’s patented 62% humidity control packs regulate moisture content, keeping the contents of your..
$1.25
These are standard 1020 trays with the exception that they are four times the thickness of tradition..
$4.99
BIG BUD® ORGANIC Finally! The Same Big Bud Bloom Booster You Know And Love, Now 100% Organic*! *B..
$16.80
The unique combination of ingredients in SugarDaddy are vital for all stages of plant growth and dev..
$225.56
Open Sesame® is a pH balanced blend of extra strength nutrients specifically designed for use during..
$36.99