these gas pressure switches should be mounted horizontally with the 1/4" NPT inlet stem facing down

In heavy-duty applications like the Raypak 1259B or Raypak 1799B pool heaters

The DMPR-KC251 is critical for maintaining precise differential pressure control and ensuring consistent airflow regulation

x 2-1/32 in

serving as a direct OEM replacement to prevent the voltage drops or tripped breakers often caused by undersized or generic components

Rheem-Ruud 62-19125-01 Burner Assembly 30067439-890 these gas pressure switches shouldThe Rheem Ruud 62 19125 01 is a precision engineered Natural Gas (NG) pilot burner assembly designed for high efficiency furnace ignition systems. This OEM replacement component features an integrated orifice calibrated for consistent flame rectification and reliable ignition sequences in Rheem and Ruud gas furnaces. As a critical safety and performance part, it ensures the pilot flame maintains the necessary millivolt output or ionization signal