Overview Reviews Product Description Belimo Flow sensor 1 1/2", ?p 1.02 psi, FS 47.5 GPM Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Belimo Belimo FM150 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments