iO HVAC Controls iO-Twin Universal Twinning Kit HHD1S 18 in (30 mm) Micro

18 in (30 mm) Micro Amps (µA) 2000 Temperature -40 °F to 752 °F / -40 °C to 400 °C Low Pass Filter Yes Frequency (Hz) 5

Compressor short cycle protection - Reduces wear and tear on HVAC equipment compressor

Audible continuity and diode test

Diablo made Dura-Carbide™ features up to 2X more carbide that withstands up to 1800°F of intense heat to combat rebar hits versus standard bits that fail at 800°F

Start air conditioners that are close to breaking down

iO HVAC Controls iO-Twin Universal Twinning Kit HHD1S 18 in (30 mm) MicroiO HVAC Controls iO Twin Universal Twinning Kit The twinning kit is designed to allow a single thermostat to control two separate HVAC units. It can also be expanded to control a total of four HVAC units. The twinning kit can be used on common or separate ducted systems with single stage, multi stage and heat pump equipment. Only standard 18 gauge thermostat wire is required. Thermostats and HVAC units can be located up to 300 from the twinning kit