Overview Reviews Product Description Controller, Burner, Honeywell, With Display Module, Honeywell Part Number RM7800L1012Honeywell 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 RM7800L1012/U Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments