having the correct Maxitrol replacement parts on hand is vital for optimizing HVAC burner performance and meeting strict site specifications for gas flow control

preventing the gradual loosening that often occurs in high-torque submersible motor start-ups

Using a non-genuine substitute can lead to improper seating and hazardous exhaust leaks

the Johnson Controls T-4000-119 is the standard Allen head adjustment tool required for the precise calibration and maintenance of T-4000 series pneumatic thermostats

The MARS 12885 is a professional-grade 35/5 MFD 440V Oval Run Capacitor designed for continuous duty in residential and light commercial HVAC systems

Johnson Controls DMPR-KC252 Collar having the correct Maxitrol replacementThe Johnson Controls DMPR KC252 Collar is a specialized service component engineered for field technicians managing legacy HVAC damper control systems. This galvanized steel collar is designed specifically for old style dampers where the existing blade pin lacks the integrated slot necessary to receive a standard retaining clip. Use the DMPR KC252 to facilitate a secure, mechanical connection between the damper blade and a blade pin extension, such as