The Robertshaw 1830-004 Pilot Assembly is a critical OEM replacement pilot burner designed for precise gas furnace ignition and reliable thermopile-assisted burner systems

the "U" suffix denotes a universally packaged version of the same technical component

Note that this is a Parker GP407 series replacement unit

The Lennox Y8736 TXV Kit is a field-installed 3-ton thermal expansion valve specifically engineered for high-efficiency R410A air conditioning and heat pump systems

Schneider Electric (Barber Colman) AV-391 Linkage Els PW 29614 The Robertshaw 1830-004 Pilot AssemblyThe Schneider Electric AV 391 (formerly Barber Colman) is a heavy duty valve linkage kit designed to interface gear train actuators with specific globe valve bodies. Engineer rated for a 150 lb stem force, this linkage provides the mechanical advantage and stroke precision necessary for modulating or two position control in hydronic systems. This kit is the standard solution for mounting Forta, MA51, MP52, and MPR 5xxx series actuators. It is fully