The Lennox 88K90 Pressure Switch is a high-precision

Common Questions & Troubleshooting: How do I know if the 47A60 start capacitor is failing

5V secondary output

This OEM replacement induction motor package includes the essential inducer motor gasket (B1392633) to prevent carbon monoxide leakage at the collector box interface

Key Benefits for Technicians Universal Compatibility: Interchanges seamlessly with K15FA-36H and K15FS-36 series

McDonnell & Miller 354107 Probe Els PW 29614 The Lennox 88K90 Pressure SwitchThe McDonnell & Miller 354107, also identified as the EA 157 L long electrode, is a high precision conductance probe engineered specifically for Series 157 RBP and 157S RBP low water cut off and pump controller systems. Measuring 3 inches in length, this stainless steel electrode serves as a critical sensing component for monitoring fluid levels in steam boiler applications where reliable bi level pump control is required. Designed with a 3 4" NPT