Venstar VST4900 Thermostat 320819-301 6-inch diameter and resilient ring

6-inch diameter and resilient ring mounting compatibility

Automatic Reset Logic: Eliminates manual intervention by automatically restoring the circuit once temperatures return to a safe 120°F

Key Benefits Precise Compatibility: Custom-designed for use with ASCO 8210 Series valves

it prevents downstream equipment damage

Specifically built with a BJ240CS actuator and a functional junction box connection

Venstar VST4900 Thermostat 320819-301 6-inch diameter and resilient ringThe Venstar VST4900 Thermostat is a professional grade digital programmable thermostat engineered for high performance climate management in residential and light commercial applications. Serving as the primary Venstar VST2900 replacement, this Slimline Series controller handles complex HVAC configurations, including 4 stage heating and 2 stage cooling. Technicians will find the non volatile memory critical for retaining program settings during power