Johnson Controls A19ADB-2 Temperature Control 30067439-890 Adjusting for LP is not

Adjusting for LP is not recommended

you know that the "brain" of the system must handle precise sequencing

Installing this high-voltage relay board restores logic-level communication between the thermostat and the mechanical components

The York S1-025-31810-001 Harness Assembly is a factory-authorized OEM HVAC replacement part engineered for high-precision electrical signal and power distribution within residential and light commercial equipment

Each unit includes a QC-6 kit for seamless conversion from screw-on to push-on terminals

Johnson Controls A19ADB-2 Temperature Control 30067439-890 Adjusting for LP is notThe Johnson Controls A19ADB 2 is a heavy duty hot water immersion temperature control engineered for precision high limit cutout in commercial and industrial boiler systems. This mechanical thermostat features a single pole, single throw (SPST) switch configuration designed to open on temperature rise, providing a critical safety lockout when temperatures exceed the defined setpoint. With a robust 100 to 240 degree F setpoint range, it is the standard