Siemens Building Technology 194-3042 Retrostat Freon Using an LP orifice with

Using an LP orifice with natural gas will result in an insufficient pilot flame and ignition failure due to the different pressure requirements of the fuels

The Williams Comfort Products P100100 is size-specific

this 2-way control valve offers the rangeability and field-proven reliability needed to eliminate hunting and maintain stable setpoints in critical loops

Thermal Stability: Manufactured with materials rated for high-temperature furnace environments

it is typically wired between the Y and C terminals so the valve is energized simultaneously with the contactor

Siemens Building Technology 194-3042 Retrostat Freon Using an LP orifice withThe Siemens Building Technology 194 3042 is a specialized pneumatic hot water retrostat kit engineered for day night (D N) temperature control in legacy hydronic HVAC systems. Designed specifically for direct acting (DA) pneumatic signals, this kit provides a seamless path for Powers pneumatic thermostat replacement in commercial and institutional facilities. The 194 3042 facilitates dual setpoint operation, allowing for automated switching between