For technicians retrofitting existing panels

Technicians should look for the LED status lights

Key Benefits: Direct OEM Fit: Guaranteed mechanical compatibility with York and Coleman mounting brackets

and 881 cast iron models

this controller ensures reliable burner shutdown and automated feed pump activation

Siemens Building Technology 356-1005 Thermostat 322838-754 For technicians retrofitting existing panelsThe Siemens Building Technology 356 1005 is a professional grade pneumatic thermostat from the TH 356 Limitem series, specifically engineered for high precision temperature control in air handling units and unit ventilators. As a reverse acting thermostat (RA), this unit is designed to increase output air pressure as the sensed temperature decreases, making it a critical component for low limit freeze protection or mixed air control. The 30 180F