The Resideo 191990A Replacement Keys are essential service components designed for field technicians and facility managers maintaining Honeywell Home Versaguard thermostat guards

ensuring the HVAC thermostat installation meets professional code and client expectations for localized climate control hardware

Key Benefits OEM Compatibility: Specifically engineered for ASCO 102-855 series valves to ensure exact fitment

What are the primary applications for this steam generator

providing a static pressure rating of up to 300 psi

Siemens Building Technology GMA161.1P Actuator 319847-401 The Resideo 191990A Replacement KeysThe Siemens GMA161. 1P is a high performance OpenAir spring return actuator engineered for precise modulating control of dampers in technical HVACR environments. Designed to deliver 62 lb in torque, this 24V AC DC unit is the professionals choice for 0 to 10 Vdc regulating applications. As the direct replacement for DCMS24 62 P, it provides a seamless transition for legacy systems, featuring a self centering shaft coupling that minimizes installation