The clear plastic dust cover protects the true clock face

Rheem-Ruud SP11652B 1/2x3/8 4" WC Rt Outlet NG Valve

If the component is cool but shows an open circuit

it provides superior protection against the elements in outdoor environments

McDonnell & Miller FPC-1000 Control 30067439-890 The clear plastic dust coverThe McDonnell & Miller FPC 1000 (Part No. 144704) is a field configurable electronic low water cut off (LWCO) engineered for high performance protection in both steam and hot water boiler applications. As the consolidated direct replacement for 750 MT 120, PSE 800, and Series 750 legacy controls, this "boilerwize" unit allows contractors to simplify truck stock by serving as a universal low water cut off. The FPC 1000 features a dual voltage design,