the 117U4126 start relay has likely failed to energize the start capacitor/winding

Can this snap disc be used as a replacement for other brands

If the sensor detects a signal below the common 0

This part is specifically calibrated for Amana

Key Benefits Precise Signal Conversion: Accurately transforms a 4 to 20mA current signal into a 2 to 10Vdc voltage signal

Johnson Controls T-4000-3141 Plastic Cover the 117U4126 start relay hasThe Johnson Controls T 4000 3141 is a commercial grade pneumatic thermostat cover designed for horizontal mounting configurations within HVAC control systems. Engineered for T 4000 series thermostats, this white plastic enclosure features a single setpoint window to allow for clear visibility of calibration without compromising the protection of the internal bimetal sensing elements. The unit is designed with a clean, low profile aesthetic featuring