Smith 100093631 Ignitor is a critical hot surface igniter replacement designed for high-efficiency gas-fired equipment

protecting the internal brass trim from mineral buildup

then thread the new operator onto the existing valve base

Red for 200V

or a drop in system pressure often indicate that the body gasket has failed and requires immediate replacement

Siemens Building Technology 192-224 Thermostat 320819-301 Smith 100093631 Ignitor is aThe Siemens 192 224 Powerstar room thermostat is a specialized pneumatic temperature control solution designed for large scale building automation and commercial HVAC energy management. This dual setpoint thermostat features two pipe, high capacity air logic to provide precise day night (D N) control, allowing for efficient temperature setback during unoccupied hours. Operating as a direct acting (DA DA) controller, it utilizes a sensitive bimetal