Watts 0061935 Preventer Els PW 17895 The H-308 is designed for

The H-308 is designed for fixed-frequency 50/60 Hz circuits

ensuring seamless compatibility for field replacements

and electric heat systems

Key Benefits Direct OEM Compatibility: Engineered as the identical replacement for Lennox 58L6801 and LB-94731C

the 667258R is the official updated version of the 667258 and is designed to meet or exceed the original technical specifications for airflow and fitment

Watts 0061935 Preventer Els PW 17895 The H-308 is designed forThe Watts 0061935 is a professional grade 1 2 inch dual check valve backflow preventer engineered specifically for continuous pressure, non health hazard applications. Often cross referenced as the Watts 9D M3 or Watts 9DM3 1 2, this unit is identical in fit and function to the legacy 9D 1 2 model. It features a high durability forged brass body and an intermediate atmospheric vent that provides a visible signal by discharging water if the downstream