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Rosewood paper grain — description and returns beneath the overlapping buy card.
the component has failed and must be replaced
This externally equalized valve
For technicians managing building automation
OEM Compatibility: Exact drop-in replacement for York 492-16939-005
many Lennox systems utilize a crankcase thermostat (S40) to cycle the heater based on ambient or liquid line temperatures for energy efficiency
Siemens Building Technology 331-4810 Actuator R-448A the component has failed andThe Siemens 331 4810 is a rugged, metal fabricated No. 3 Pneumatic Actuator engineered for reliable modulating or two position control of HVAC dampers and terminal units. Built with all metal construction and a totally enclosed housing, this 331 Series actuator is a staple for contractors maintaining mixing box dampers, unit ventilators, and air valves. It features a 2 3 8 inch stroke and a nominal 8 13 psi spring range, allowing for precise