540-652A | DIGITAL STAT W/FAN SWITCH | Siemens Building Technology Insertion Length_1-5/8IN 1-phase power supply allows for

1-phase power supply allows for versatile operation

Combustion Head 360000 for AF/AFG/SR Series Burner

**Pilot Assembly for Natural Gas Applications: Burnham Boilers EI Q3452B2100** This genuine Burnham Boilers Pilot Assembly is specifically designed for use with the EI Q3452B2100 gas boiler

* Enhanced System Performance: Ensures efficient cooling and heating

The HF21BZ015 24VDC Economizer Motor is also energy-efficient

540-652A | DIGITAL STAT W/FAN SWITCH | Siemens Building Technology Insertion Length_1-5/8IN 1-phase power supply allows forProvide precise temperature control for your HVAC system with the Siemens Building Technology NCO 540 652A digital thermostat. This advanced thermostat features a large, easy to read display that provides clear temperature readings and operational settings. With its intuitive interface, you can effortlessly adjust the temperature and fan settings to suit the specific needs of your space. Enjoy added convenience and energy savings with the programmable