A lubrication system, comprising: a collection area for collecting lubricating media; a pumping system for transporting the lubricating media from a withdrawal location of the collection area to a distribution location of the collection area; wherein the lubricating media collects in the collection area to a static level when the pumping system is off and to a dynamic level when the pumping system is on; a drain valve located between the static level and the dynamic level, the drain valve operable to open to drain a portion of the lubricating media in response to the lubricating media reaching a predefined threshold temperature and level, wherein the drain valve will fail open in the event of failure; and wherein the drain valve comprises: a two-chamber casing having an outer chamber with ports leading thereto and an inner chamber, a piston having a piston shaft and a plunger, a spring, and a valve plug coupled to the piston shaft, the spring providing a force against a wall separating the outer chamber and the inner chamber of the casing at one end of the spring, the casing having a valve seat opening in the casing that leads to the outer chamber, wherein the force of the spring acts against the plunger at the other end of the spring, thereby biasing the piston to an end of the inner chamber and retracting the valve plug to seal against the valve seat opening; and the spring comprises a thermally-activated material arranged to respond to a temperature rise of the spring by changing volume and altering a spring rate of the spring, wherein the lubricating media acts on the valve plug and overcomes a bias force of the spring, wherein the valve plug and the piston move and unseal the valve seat opening, and wherein a portion of the lubricating media provided in the outer chamber drains out of the outer chamber. a collection area for collecting lubricating media; a pumping system for transporting the lubricating media from a withdrawal location of the collection area to a distribution location of the collection area; wherein the lubricating media collects in the collection area to a static level when the pumping system is off and to a dynamic level when the pumping system is on; a drain valve located between the static level and the dynamic level, the drain valve operable to open to drain a portion of the lubricating media in response to the lubricating media reaching a predefined threshold temperature and level, wherein the drain valve will fail open in the event of failure; and wherein the drain valve comprises: a two-chamber casing having an outer chamber with ports leading thereto and an inner chamber, a piston having a piston shaft and a plunger, a spring, and a valve plug coupled to the piston shaft, the spring providing a force against a wall separating the outer chamber and the inner chamber of the casing at one end of the spring, the casing having a valve seat opening in the casing that leads to the outer chamber, wherein the force of the spring acts against the plunger at the other end of the spring, thereby biasing the piston to an end of the inner chamber and retracting the valve plug to seal against the valve seat opening; and the spring comprises a thermally-activated material arranged to respond to a temperature rise of the spring by changing volume and altering a spring rate of the spring, wherein the lubricating media acts on the valve plug and overcomes a bias force of the spring, wherein the valve plug and the piston move and unseal the valve seat opening, and wherein a portion of the lubricating media provided in the outer chamber drains out of the outer chamber. a two-chamber casing having an outer chamber with ports leading thereto and an inner chamber, a piston having a piston shaft and a plunger, a spring, and a valve plug coupled to the piston shaft, the spring providing a force against a wall separating the outer chamber and the inner chamber of the casing at one end of the spring, the casing having a valve seat opening in the casing that leads to the outer chamber, wherein the force of the spring acts against the plunger at the other end of the spring, thereby biasing the piston to an end of the inner chamber and retracting the valve plug to seal against the valve seat opening; and the spring comprises a thermally-activated material arranged to respond to a temperature rise of the spring by changing volume and altering a spring rate of the spring, wherein the lubricating media acts on the valve plug and overcomes a bias force of the spring, wherein the valve plug and the piston move and unseal the valve seat opening, and wherein a portion of the lubricating media provided in the outer chamber drains out of the outer chamber.