Built with a 7

Designed for heavy-duty commercial boiler maintenance and residential applications

Using non-specified wire can lead to control board damage or unsafe ignition delays

The blink code identifies specific faults such as pressure switch stuck open

the adjustment screw allows for approximately 0

Johnson Controls T-3311-1 Pneumatic Thermostat THPU32HP7Y Built with a 7The Johnson Controls T 3311 1 is a high performance combination pneumatic thermostat and valve actuator engineered for proportional control of steam or water valves in terminal air conditioning units. Designed as a rugged direct replacement for the T 3310, this unit integrates a liquid filled remote bulb sensing element and a piston top valve actuator into a single, die cast aluminum assembly. It is optimized for dual temperature and dual pressure