Johnson Controls STT17A-617R Repair Kit THPU32HP7Y Always verify the refrigerant type

Always verify the refrigerant type on the data plate before installation

and harsh environmental conditions

Common Professional Queries:

This rate-compensated fire detector utilizes a 300 stainless steel shell and a hex brass mounting head to ensure hermetically sealed reliability in harsh environments

Does this unit come with the dial

Johnson Controls STT17A-617R Repair Kit THPU32HP7Y Always verify the refrigerant typeThe 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