Peerless Boiler 54156 System Sensor 321702-401 While a 3-pole contactor can

While a 3-pole contactor can technically switch two lines of power

8" applications

Featuring a massive 12-square-inch backlit display

The 0261P00003 is specifically designed for use with Amana E Series and G Series PTAC units using R410A refrigerant

The 669566R serves as the direct replacement for Nordyne 669566

Peerless Boiler 54156 System Sensor 321702-401 While a 3-pole contactor canThe Peerless Boiler 54156 is a 12K ohm temperature sensor used in hydronic boiler systems to provide accurate resistance based temperature feedback to the control board. This allows the boiler to properly regulate water temperature, adjust firing rate, and maintain stable heating performance. When this sensor begins to drift or fail, common symptoms include short cycling, inconsistent heat output, ignition issues, or system lockouts. This component is