This system uses a reliable relay base w/ relay, which makes routine checks a bit easier.
PR293Q Packard SPDT Switching Fan Relay 24 Coil Voltage 16 Resistive Amps 90-293
What stands out about this solid-state relay module is how quietly it works during long sessions.
What stands out about the the freedom to tinker without waiting on new parts.
A nice touch is how the Dxgtoza branding aligns with the screws, so it looks tidy.