Industrial Durability: Rated for up to 600 VAC

Built for rugged field use

With its compact footprint and NEMA 2 (IP54) rating

you must ensure the correct orifice size is utilized per the manufacturer's technical bulletin

Engineered for reliability with HCFC and non-flammable HFC refrigerants

Johnson Controls STT17A-617R Repair Kit THPU32HP7Y Industrial Durability: Rated for upThe Johnson Controls STT17A 617R Seat Repair Kit is a critical maintenance component designed for the T 4000 series pneumatic thermostats and specific HVAC control valve assemblies. Engineered for precise pneumatic calibration, this kit addresses common failure points such as seat leakage and inconsistent air pressure regulation. Utilizing high grade elastomers and precision machined internal components, the STT17A 617R ensures optimal pneumatic