Lochinvar & A.O. Smith 100108635 Orifice L99H008 including FAN01890 and KIT02588

including FAN01890 and KIT02588

please verify the actuator rating and consult the VS series specifications

the Robertshaw 6000-105 is designed with a weatherproof and explosion-proof housing

These codes typically indicate the board is not sensing a pilot flame

While the unit is charged with POE for R-404A compatibility

Lochinvar & A.O. Smith 100108635 Orifice L99H008 including FAN01890 and KIT02588The Lochinvar & A. O. Smith 100108635 is a precision engineered natural gas orifice designed for high efficiency commercial water heaters and boilers. This #33 drill size orifice is machined from durable 3 8" hex brass, ensuring consistent thermal resistance and reliable gas flow regulation under varying manifold pressures. As an essential component for stoichiometric combustion, this replacement gas orifice maintains the specific BTU input required