---
product_id: 5768476
title: "4655 Manual Whole-House Duct or Wall Mounted Humidifier Control Humidistat for AprilAire Whole-House Humidifiers, Low Voltage 24VAC"
brand: "aprilaire"
price: "S$83"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/5768476-4655-manual-whole-house-duct-or-wall-mounted-humidifier-control
store_origin: SG
region: Singapore
---

# Low voltage 24VAC Whole-house control Optimizes RH 4655 Manual Whole-House Duct or Wall Mounted Humidifier Control Humidistat for AprilAire Whole-House Humidifiers, Low Voltage 24VAC

**Brand:** aprilaire
**Price:** S$83
**Availability:** ✅ In Stock

## Summary

> 💡 Elevate Your Air Quality with Ease!

## Quick Answers

- **What is this?** 4655 Manual Whole-House Duct or Wall Mounted Humidifier Control Humidistat for AprilAire Whole-House Humidifiers, Low Voltage 24VAC by aprilaire
- **How much does it cost?** S$83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/5768476-4655-manual-whole-house-duct-or-wall-mounted-humidifier-control)

## Best For

- aprilaire enthusiasts

## Why This Product

- Trusted aprilaire brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Breathe Easy:** Maintain optimal humidity levels for a healthier home.
- • **Durable Design:** Engineered by AprilAire, the leader in indoor air quality.
- • **Health Benefits:** Reduce respiratory issues and allergens with ideal humidity.
- • **Effortless Control:** Adjust your home's humidity with a simple turn of the dial.
- • **Versatile Installation:** Choose between duct or wall mounting for ultimate convenience.

## Overview

The Aprilaire 4655 Manual Whole-House Humidistat is a low voltage (24VAC) control solution designed to optimize the performance of your AprilAire Whole Home Humidifier. With convenient mounting options and simple dial adjustments, it helps maintain healthy humidity levels (40-60% RH) to enhance comfort and reduce allergens.

## Description

AprilAire 4655 Manual Whole-House Duct or Wall Mounted Humidifier Control Humidistat for AprilAire Whole-House Humidifiers, Low Voltage 24VAC

## Features

- BUY WITH CONFIDENCE This genuine AprilAire humidistat was designed by AprilAire, the leader in indoor air quality solutions, to optimize the performance of your AprilAire Whole Home Humidifier
- CONVENIENT AND SIMPLE to adjust your home's Relative Humidity (RH) with a turn of the dial
- MAXIMIZE HEALTHY HUMIDITY in the 40-60% RH range which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites - feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
- DESIGNED FOR low voltage service (24VAC) to control humidification equipment
- TWO MOUNTING OPTIONS - choose Duct Mounting near your HVAC equipment, or Wall Mounting in your living space for even more ease and convenience when you need to adjust the RH level in your home

## Images

![4655 Manual Whole-House Duct or Wall Mounted Humidifier Control Humidistat for AprilAire Whole-House Humidifiers, Low Voltage 24VAC - Image 1](https://m.media-amazon.com/images/I/51LAXhO76SL.jpg)

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**Shop now:** [https://www.desertcart.sg/products/5768476-4655-manual-whole-house-duct-or-wall-mounted-humidifier-control](https://www.desertcart.sg/products/5768476-4655-manual-whole-house-duct-or-wall-mounted-humidifier-control)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-25*