Johnson Controls STT17A-617R Repair Kit Freon Universal Round Form Factor: Fits

Universal Round Form Factor: Fits standard mounting brackets for efficient field replacement by service technicians

the 550001625 is specifically designed for Argo AT Series 4-element boilers

delivering 2500W at 240V or 1875W at 208V

Optimizes valve response time by replacing fatigued springs and worn core tubes

Johnson Controls STT17A-617R Repair Kit Freon Universal Round Form Factor: FitsThe 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