Siemens Industrial Controls 3UB81334HW2 Relay 318973-401 Engineered for high-performance Amana furnace

Engineered for high-performance Amana furnace parts and Goodman gas furnaces

System Protection: Helps trigger safety shutdowns and prevents ice accumulation on evaporator coils by providing accurate thermal feedback

this genuine HVAC thermistor probe ensures a seamless installation without the impedance mismatches often found in generic alternatives

Use a calibrated manometer to verify the actual trip point as you rotate the screw to increase or decrease the spring tension on the diaphragm

Siemens Industrial Controls 3UB81334HW2 Relay 318973-401 Engineered for high-performance Amana furnaceThe Siemens 3UB81334HW2 is a high performance ESP200 solid state overload relay engineered for precise protection of single and polyphase motors in heavy duty industrial applications. Operating within a 50 200AMP range, this Size B unit handles high demand 3 phase loads with an adjustable 4: 1 FLA dial, allowing for tight current settings across multiple motor sizes. Advanced electronics eliminate the need for traditional thermal heaters, reducing