What is the difference between 32007255-001 and 32007255-001/U

using this specific kit guarantees that the 1/4-inch inlet and 3/8-inch outlet connections align perfectly with residential fan coils and furnace coils

ensuring a perfect fit with existing 3/4" NPT connections

This assembly replaces legacy part numbers 100102146 and 6020-050

This room-mount sensor features a setpoint dial and an override pushbutton

Lochinvar & A.O. Smith 100208754 Gasket Kit 321894-709 What is the difference betweenEnsure a watertight seal on your hydraulic connections with the Lochinvar & A. O. Smith 100208754 Gasket Kit. This OEM 1 1 2 inch flange gasket set is engineered specifically for Lochinvar Energyrite pool heaters (models ER152 through ER402) and A. O. Smith commercial applications. As a veteran grade pool heater gasket kit, it provides the critical thermal and chemical resistance required to maintain head assembly integrity under high pressure cycles.