Overview Reviews Product Description 3S FFRT. RECOMMENDED FOR BURNERS SHUT DOWN AT LEAST DAILY. USE WITH FLAME ROD, PHOTOCELL, OR C7012A,C.Honeywell Process Solutions products are only available in some markets. Please call for more information. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Honeywell Honeywell R7847B1031/U Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments