When your system calls for heat or cooling

The York S1-025-30890-000 Temp Control is a critical high-limit safety component engineered for precise thermal regulation within York HVAC systems

It will automatically close the SPST circuit once the water temperature drops by the 10°F differential below the setpoint

For balanced port applications

the potential relay contacts may be welded or the coil failed

Raypak 004817B Ignition Control Freon When your system calls forThe Raypak 004817B Ignition Control is a critical replacement component engineered for natural gas fired atmospheric and digital heaters. Primarily utilized in Raypak and Rheem Raytherm IID pool heaters, this 24V 60Hz electronic ignition module serves as a direct upgrade or replacement for legacy Honeywell S8600 and S86 ignition control platforms. Designed specifically for Intermittent Ignition Device (IID) systems, the 004817B manages the entire