Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SENSI SA20 Equipment Interface Module for Aprilaire Sensi Touch 2 - Equipment Interface Modules
SENSIEquipment Interface Modules

SENSI SA20 Equipment Interface Module for Aprilaire Sensi Touch 2

The SENSI Equipment Interface Module (SKU SA20, MPN SA20) is a control accessory designed for use with the Aprilaire Sensi Touch 2 thermostat. It features three universal terminals for managing humidification…

SKU 3G-OTH-72400

Also listed as: SA 20 · SA-20

Brand
SENSI
Item
SA20 Equipment Interface Module for Aprilaire Sensi Touch 2
Category
Equipment Interface Modules
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SENSI
Manufacturer Part Number
SA20
Type
834DW7, Control IAQ Accessories
Function
Control IAQ Accessories
Key Features
(3) Universal Terminals for Humidification, Dehumidification, and Ventilation
Compatible Brand and Series
Aprilaire Sensi Touch 2

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SENSI Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SENSI Equipment Interface Module (SKU SA20, MPN SA20) is a control accessory designed for use with the Aprilaire Sensi Touch 2 thermostat. It features three universal terminals for managing humidification, dehumidification, and ventilation functions, enabling integrated IAQ control.

Frequently Asked Questions

What is the SENSI Equipment Interface Module used for?

The SENSI Equipment Interface Module (MPN SA20) is used to control IAQ accessories such as humidifiers, dehumidifiers, and ventilation systems. It connects to the Aprilaire Sensi Touch 2 thermostat via three universal terminals, enabling integrated indoor air quality management in residential or light commercial HVAC setups.

What are the specifications of the SENSI Equipment Interface Module?

The SENSI Equipment Interface Module (SKU SA20, MPN SA20) features three universal terminals for humidification, dehumidification, and ventilation. It is compatible with the Aprilaire Sensi Touch 2 thermostat and the part number RS01-SG. The brand is SENSI, and its function is to control IAQ accessories.

Where to buy the SENSI Equipment Interface Module worldwide?

You can source the SENSI Equipment Interface Module (MPN SA20) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this module for IAQ control applications.

How to install the SENSI Equipment Interface Module?

To install the SENSI Equipment Interface Module, first ensure the Aprilaire Sensi Touch 2 thermostat is powered off. Connect the module's three universal terminals to your humidifier, dehumidifier, and ventilation equipment per the manufacturer's wiring diagram. Mount the module securely and restore power. Always follow local electrical codes and the product manual.

Not sure this is the right part? Photo-identify it

SENSI Products

3G Electric supplies SENSI equipment interface modules. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Wireless thermostat for heat and cool applications with automatic changeover. Features a touch screen interface and 7-day programming capability. Supports up to 4 heating and 4 cooling stages for conventional systems or 3 heating and 2 cooling stages for heat pumps. Includes humidification control and operates within a temperature range of 40 °F to 165 °F
SENSI
Wireless thermostat for heat and cool applications with automatic changeover. Features a touch screen interface and 7-day programming capability. Supports up to 4 heating and 4 cooling stages for conventional systems or 3 heating and 2 cooling stages for heat pumps. Includes humidification control and operates within a temperature range of 40 °F to 165 °F
Remote control for humidifiers compatible with APRILAIRE model 800. Enables adjustment of humidity levels from a distance for residential or light commercial spaces
APRILAIRE
Remote control for humidifiers compatible with APRILAIRE model 800. Enables adjustment of humidity levels from a distance for residential or light commercial spaces
This equipment interface module expands system control by adding four sensor inputs to compatible thermostats. It manages up to 4 heat/2 cool stages in heat pump systems or 3 heat/2 cool stages in conventional systems, enabling precise temperature monitoring and equipment staging
HONEYWELL HOME
This equipment interface module expands system control by adding four sensor inputs to compatible thermostats. It manages up to 4 heat/2 cool stages in heat pump systems or 3 heat/2 cool stages in conventional systems, enabling precise temperature monitoring and equipment staging
Wall-mount humidity controller for dehumidifier control, operating on 120/240V AC input voltage. Includes an outdoor temperature sensor for ambient compensation. Suitable for use in commercial or industrial HVAC systems to manage humidity levels
JOHNSON CONTROLS
Wall-mount humidity controller for dehumidifier control, operating on 120/240V AC input voltage. Includes an outdoor temperature sensor for ambient compensation. Suitable for use in commercial or industrial HVAC systems to manage humidity levels
This Equipment Interface Module from the Econnect series is designed for electrical heat equipment interface functions. It features wireless installation for flexible placement and control. Typical applications include interfacing with electric heating systems in building management setups
HONEYWELL HOME
This Equipment Interface Module from the Econnect series is designed for electrical heat equipment interface functions. It features wireless installation for flexible placement and control. Typical applications include interfacing with electric heating systems in building management setups
Indoor temperature sensor for surface or stand mounting. Compatible with Sensi Touch 2 series thermostats. Battery powered and includes mounting hardware. Suitable for monitoring ambient temperature in residential or light commercial HVAC applications
Copeland
Indoor temperature sensor for surface or stand mounting. Compatible with Sensi Touch 2 series thermostats. Battery powered and includes mounting hardware. Suitable for monitoring ambient temperature in residential or light commercial HVAC applications

More from SENSI

View all SENSI parts