Overview Reviews Product Description Belimo Fire & Smoke Actuator, 18Â in-lb [2Â Nm], Spring return, ACÂ 120Â V, On/Off Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Belimo Belimo FSTF120 US Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments