while the series is similar

the PCB control board may not be sending the required output signal

With a compact aluminum back plate

the SEN2260 is specifically designed with a duct probe and flange for internal air monitoring within ductwork or plenums

though the operational maximum remains 5 PSI for natural gas and 2 PSI for LP with the vent limiter installed

Lochinvar & A.O. Smith 100327312 Pump Flange 320788-704 while the series is similarThe Lochinvar & A. O. Smith 100327312 Pump Flange is a critical 2 inch NPT bronze pump flange designed for high performance hydronic and potable water systems. As a veteran grade direct replacement for 106074 041, this component ensures a leak proof connection between your circulation pump and the piping network. The heavy duty bronze construction provides superior corrosion resistance compared to standard cast iron alternatives, making it the