Siemens Building Technology QFA3100 Sensor 320734-701 making it a drop-in replacement

making it a drop-in replacement for specific Trane and American Standard outdoor units

This Sensus gas pressure regulator is a standard choice for natural gas service where rugged reliability and field-proven accuracy are non-negotiable requirements for downstream equipment performance

always verify the orifice and spring settings for your specific gas supply (NG or LP) against the boiler nameplate before commissioning

The Reznor 135981 Motor Plate is a critical OEM component specifically engineered to provide a stable mounting interface for inducer and blower motors within Reznor heating systems

Siemens Building Technology QFA3100 Sensor 320734-701 making it a drop-in replacementThe Siemens Building Technology QFA3100 is an industry standard room humidity sensor designed for demanding HVAC applications requiring precise monitoring and long term stability. This unit features a 0 10Vdc output signal and covers the full 0 100% relative humidity range with a high 2% measurement accuracy, making it a reliable choice for critical environments such as laboratories, hospitals, and pharmaceutical facilities. As part of the Siemens