Common Questions Is the 392449-4 compatible with 1/4" pilot lines

and GV90+ series gas-fired boilers

a replacement adjustment screw

the T-4000-2142 ensures proper ventilation for internal bimetal sensing elements

For technicians performing gas manifold adjustments or system overhauls

Reznor 196852 Orifice Common Questions Is the 392449-4The Reznor 196852 is a precision engineered LP Orifice designed specifically for liquid propane gas conversion and maintenance in high performance Reznor heating systems. This OEM propane orifice features a #39 brass construction, factory drilled to a #40 size (0. 0980") to ensure the exact manifold pressure and BTUH input required for safe combustion. Built for the rigorous demands of industrial unit heaters like the Reznor UDAP 75 and the UDAS