This 2-way normally closed (N/C) safety shut-off valve operates on 120V AC and is engineered to manage fuel gas flow with a maximum operating pressure of 6 PSI

Key Benefit List Seamless Compatibility: Serves as the factory-spec direct replacement for HC27CB122 and older part numbers 325270-772 and 326058-707

this is a three-phase HVAC motor specifically designed for commercial power systems and will not operate on standard residential single-phase lines

It is a critical replacement part for maintaining static pressure and system efficiency in residential and light commercial Trane air handlers and furnaces

the mechanical 24-hour dial is straightforward to set using ON/OFF trippers

Siemens Building Technology 194-2043 Stat 318172-701 This 2-way normally closed (N/C)The Siemens 194 2043 ChasisStat is a professional grade pneumatic thermostat chassis designed for high performance building automation. This Powerstar Retroline item serves as a direct Johnson Controls T 4506 replacement, specifically engineered for 2 pipe systems requiring dual set point control. Operating with a direct acting (DA DA) mechanism, it provides precise modulation for both day and night cycles, utilizing 15 psi and 20 psi air supply