How do I test the York S1-025-41318-000 for continuity

ensuring the firing circuit only completes when safe operating conditions are met

including 50% glycol mixtures

5-inch series and serves as the current replacement for legacy 25AUB-RK-1 1/2 kits

For contractors performing a TXV repair

Lochinvar & A.O. Smith 100133610 Pump Freon How do I test theThe Lochinvar & A. O. Smith 100133610 Pump is a high performance circulator pump designed for demanding commercial water heating and hydronic applications. This 1 4 HP, 115V bronze fitted pump is the engineered direct replacement for the obsolete 174036 143LF, TP44PAB, and ARM3044PAB models. Built with a 2 inch flange connection, it is a critical component for hot water recirculation in Lochinvar Copper Fin and Armor series units, ensuring consistent