Embodiments include a vacuum assisted venous drainage (VAVD) system, including a regulator valve assembly configured to facilitate application of vacuum to a reservoir； a control unit configured to control the regulator valve assembly to facilitate controlling application of the vacuum； at least one pressure sensor coupled to the reservoir and configured to obtain pressure measurements of pressure in the reservoir； a heating element configured to heat the regulator valve assembly to a target temperature； and at least one temperature sensor configured to determine a temperature of the regulator valve assembly.
