What is the thread size for the gas valve connection

By integrating this genuine Johnston Controls HVAC part

Using RTV can sometimes interfere with the compression seal and make future removal more difficult

Techs should check for 240V across the coil terminals

The Maxitrol R5310-1530 is a high-performance yellow spring engineered specifically for R600 and R600S Series regulators

Trane THT2440 Limit Switch What is the thread sizeMaintain peak operational safety in residential heating systems with the Trane THT2440 Limit Switch. This genuine Trane OEM replacement part is a critical safety component designed to monitor heat exchanger temperatures and prevent hazardous overheating conditions. As a high reliability 150 180F auto reset limit switch, it is engineered to automatically open the electrical circuit when internal plenum temperatures reach 180F, effectively shutting down