Can this relay control a two-speed fan motor

this is a natural gas orifice

Can the 325-5L48-3/4 be used for Propane (LP) gas

If your part number matches 622257 or 6222570

Engineered to replace discontinued or superseded models like the B94578700 and CAP050300440CS

Lochinvar & A.O. Smith TST2900 Temperature Controller Els PW 29614 Can this relay control aThe Lochinvar & A. O. Smith TST2900 Temperature Controller (cross referenced as part number 100170632) is a critical OEM immersion thermostat designed for high recovery commercial water heating applications. This direct acting temperature control provides precise thermal regulation for Lochinvar Copper Fin and A. O. Smith Conservationist series units. Engineered with a rugged sensing bulb and capillary assembly, the TST2900 ensures accurate setpoint