Johnson Controls T-4000-610 Pneumatic Room Thermostat Universal Conversion KitPneumatic Room Thermostat Universal Conversion Kit from Johnson Controls enables seamless modernization of legacy HVAC controls. The Johnson Controls T 4000 610 Universal Conversion Kit is designed to retrofit older pneumatic room thermostats, enabling compatibility with modern control interfaces and improved energy efficiency. Used on pneumatic room thermostats, this conversion kit provides a robust solution for facilities looking to extend the life

Its vertical mounting type simplifies installation on supported units

cast iron casing

Quality: OEM-style replacement for dependable cooling

It’s crafted to meet the original specifications of Heil Quaker/ICP units

Operating range: -40 to 200°F

Whether installing during routine service or performing a DIY replacement

This 2-inch valve delivers reliable shut-off and precise control in residential and light commercial systems

tool-efficient setup with minimal downtime

Compatibility: Designed for the ASCO 302353 solenoid valve

a dependable replacement for your natural gas furnace

this board ensures accurate defrost timing

Durability: Robust construction to resist heat and vibration