A thermal trigger assembly configured for remote mechanical actuation of a fire protection system component (16, 20, 220), the thermal trigger assembly comprising: an activation component (12, 50) including a proximal base having a proximal end and a distal end with respect to the fire protection system component (16, 20, 220), a proximal movable member, the proximal movable member being movable with respect to the proximal base, a bias member located with respect to the proximal base to bias the proximal movable member from a preactivation position to an activated position with respect to the proximal base, the activated position being located toward the fire protection system component (16, 20, 220) with respect to the preactivation position, a distal base, the distal base being located farther from the fire protection system component (16, 20, 220) than the proximal base, a distal movable member, a thermally responsive element retained by the distal base until a predetermined thermodynamic condition occurs, the thermally responsive element being configured to lose structural integrity under the predetermined thermodynamic condition and thereby allow the distal movable member to move from a preactivation position to an activated position with respect to the distal base, and a flexible connector (14, 120) having a proximal end and a distal end, the proximal end connected to the proximal movable member and the distal end connected to the distal movable member, such that the thermally responsive element retains the distal movable member in the preactivation position with respect to the distal base and also retains the proximal movable member in the preactivation position with respect to the proximal base, and such that upon the loss of structural integrity by the thermally responsive element, a biasing force from the bias member causes a movement of the proximal movable member from the preactivation position of the proximal movable member to the activated position of the proximal movable member. a proximal base having a proximal end and a distal end with respect to the fire protection system component (16, 20, 220), a proximal movable member, the proximal movable member being movable with respect to the proximal base, a bias member located with respect to the proximal base to bias the proximal movable member from a preactivation position to an activated position with respect to the proximal base, the activated position being located toward the fire protection system component (16, 20, 220) with respect to the preactivation position, a distal base, the distal base being located farther from the fire protection system component (16, 20, 220) than the proximal base, a distal movable member, a thermally responsive element retained by the distal base until a predetermined thermodynamic condition occurs, the thermally responsive element being configured to lose structural integrity under the predetermined thermodynamic condition and thereby allow the distal movable member to move from a preactivation position to an activated position with respect to the distal base, and a flexible connector (14, 120) having a proximal end and a distal end, the proximal end connected to the proximal movable member and the distal end connected to the distal movable member, such that the thermally responsive element retains the distal movable member in the preactivation position with respect to the distal base and also retains the proximal movable member in the preactivation position with respect to the proximal base, and such that upon the loss of structural integrity by the thermally responsive element, a biasing force from the bias member causes a movement of the proximal movable member from the preactivation position of the proximal movable member to the activated position of the proximal movable member.