Thermostats
iO Controls Temp-Stat Temporary Construction Thermostats
Low cost, non-adjustable, temporary construction thermostats. Preset to a given temperature. Made for either heating or cooling applications.

iO Controls Universal Thermostat Smart Wire Module
Used where you need to control up to 5 digital outputs and only have 2 wires between locations such as a thermostat and HVAC system. 2 to 5 wire adapter.

iO Controls Universal Twinning Kit
Twinning kit designed to allow a single thermostat to control two separate HVAC units. Expandable to control a total of four HVAC units.

iO Controls UT32 Room Touchscreen Thermostat
Programmable touchscreen thermostat. Battery powered or hardwired. 7 Day programmable or non programmable. 3H/2C heat pump or dual fuel. 2H/2C conventional.

Relays & Misc Controls
iO Controls iO-WRP Long Range Wireless Relay Kit
Wireless relay kit - long range. Base module has 3 transmitting and 1 receiving channel. Satellite module has 3 receiving and 1 transmitting channel. Up to 1/4 mile range.

iO Controls iO-WR Wireless Relay Kit
Wireless relay kit. Base module has 3 transmitting and 1 receiving channel. Satellite module has 3 receiving and 1 transmitting channel. Up to 100 foot range.

iO Controls Lead Lag Controller
24V lead/lag controller offers balanced operating time between 2 redundant devices.

Air Inlets & Fresh Air Kits
iO Controls iO Controls CO2, Temperature and Humidity Monitor
Monitor and reduce CO2 levels in an interior space by being able to introduce fresh outside air at a controlled rate. Programmable relay and 3 0-10V outputs.

iO Controls iO-FAV Fresh Air Ventilation Kits
iO-FAV fresh air ventilation kit with control panel. Exhaust fan control option, outdoor temperature and/or humidity limit options and damper override capabilities.

iO Controls iO-FAV-PLUS Fresh Air Ventilation Kits
iO-FAV-PLUS fresh air ventilation kit with control panel. iO-FAV kit with additional outdoor temp stat and humidistat included.

iO Controls UT32-VK Fresh Air Ventilation Kit
Kit contains Titan thermostat and supply air ventilation control designed to meet code requirements for fresh air ventilation.

Makeup Air Systems - Residential
iO Controls MUA Make-Up Air Damper Kits
Make-up air damper kit with PO/SC damper, pressure switch, and 20VA transformer. Adjustable static pressure sensor .08" - 1.20" WC.

HVAC Lockout
iO Controls Lodge Watch Wireless Energy Monitor
Detects when a door or window is left open for more than 2 minutes. It then locks out the HVAC equipment until it detects the closure of the door or window.

Air Dampers
iO Controls MD Round 2-Position 3-Wire Dampers
ROUND galvanized steel, single-blade dampers complete with a 3-wire, 24 volt, Power Close, Power Open actuator. 2 position.

iO Controls RBD Retrofit Register Boot Dampers
Retrofit zone damper designed to be installed in a register booth without having to take the duct work apart. 3-wire, 24 volt, Power Close, Power Open actuator. 2 position.

iO Controls RD Retrofit 2-Position 3-Wire Zone Dampers
Retrofit zone damper for round duct. 3-wire, 24 volt, Power Close, Power Open actuator. 2 position.

Bypass Dampers
iO Controls EB Rectangular Electronic Bypass Dampers
RECTANGULAR electronic bypass dampers. Floating-type motorized actuator along with the iO-SPC static pressure control. For systems from 0.08" WC up to 1.20" WC of static pressure.

iO Controls EB Round Electronic Bypass Dampers
ROUND electronic bypass dampers. Floating-type motorized actuator along with the iO-SPC static pressure control. For systems from 0.08" WC up to 1.20" WC of static pressure.

Zone Dampers
iO Controls MD Rectangular 2-Position 3-Wire Dampers
ROUND extruded aluminum parallel blade dampers complete with a 3-wire, 24 volt, Power Close, Power Open actuator. 2 position.

Zoning Panels
iO Controls ZP-ESP Zone Control Panels With Pressure Control
Zone panel systems for 2 to 6 zones. Single stage and multi stage heating and cooling. ESP static pressure control eliminates the need for a bypass damper.

iO Controls ZP Zone Control Panels
Zone panel systems for 2 to 6 zones. Single stage and multi stage heating and cooling. No pressure control.

why buy from us?
We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.
Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.