Overview Reviews Product Description Keyboard Display Module, For 7800 Series Honeywell Relay Module, English, Honeywell Part Number S7800A1001Honeywell 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 S7800A1001/U Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments