and WeatherKing gas furnaces

Can I test the 15M45 switch with a multimeter

the G01A-332 provides the stable 750 millivolt output required to pull in the main operator of the gas valve upon the presence of a pilot flame

meaning it mechanically switches both legs of the incoming power supply simultaneously

Robertshaw 1950-002 Thermopile Els PW 17895 and WeatherKing gas furnacesThe Robertshaw 1950 002 Thermopile is a field proven millivolt pilot generator engineered for self powered gas control systems in wall furnaces, space heaters, and gas fireplaces. This 750mV thermopile features a high performance 48 inch lead length with a two lead spade connector configuration, ensuring a reliable electrical signal to the gas valve without external power. Built with a stainless steel outer jacket for superior heat resistance and a