Lochinvar & A.O. Smith 100108977 Heating Element 318973-401 a pressure switch code on

a pressure switch code on the furnace control board

Enhanced Durability: Robust internal slide design minimizes mechanical sticking and ensures consistent HVAC 4-way valve operation

With a maximum working pressure of 500 PSI

This mechanical pressure switch activates immediately upon reaching the set point

Lochinvar & A.O. Smith 100108977 Heating Element 318973-401 a pressure switch code onEnsuring your commercial or residential water heater maintains peak thermal efficiency requires high quality components like the Lochinvar & A. O. Smith 100108977 Heating Element. This 480v 6000w heating element is engineered with a ultra durable zinc plated copper sheath, specifically designed to inhibit scale buildup and resist the corrosive effects of hard water. Measuring 13. 125 inches in length, this screw in heating element features a standard