Maxitrol RV20VL-3/8-48 Regulator Engineered for the rigors of

Engineered for the rigors of field use

The York S1-063-90037-000 Vent Housing Plate is a critical OEM replacement part designed for precision airflow management in York HVAC systems

including AOSmith

Does this unit require a separate transformer

This model serves as a direct drop-in for the 0393040

Maxitrol RV20VL-3/8-48 Regulator Engineered for the rigors ofThe Maxitrol RV20VL 3 8 48 is a professional grade appliance gas regulator engineered for precision in residential and light commercial systems. Featuring a 3 8" NPT connection and a durable rubber seat poppet, this regulator is purpose built for main burner and pilot applications where maintaining stable, low flow control is critical. With a maximum inlet pressure of 1 2 PSI and a factory set outlet range of 4 8" w. c., it ensures equipment operates