frequent tripping of the thermal overload

For field compatibility

What components are included in this repair kit

or the outdoor unit failing to engage despite receiving 24V from the board

Raypak 008520F Limit Switch frequent tripping of the thermalThe Raypak 008520F is a critical safety component designed for professional grade commercial boilers and pool heaters. This 240F Limit Switch acts as a primary fail safe, monitoring discharge water or heat exchanger temperatures to prevent thermal runaway. As a Manual Reset Limit Switch (M R), it requires a technician to physically inspect the system and reset the device after a high limit event, ensuring that the root cause of the overheatingsuch as