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Hello! I'm your chat assistant. I have reviewed the Honeywell product detail for the RA116A, RA117A, and RA817A Oil Burner Controls. This document provides information about the stack-mounted primary controls, their function in cycling the burner and protecting against flame loss, and also details the integrated Pyrostat flame detector. I am ready to help you with your questions.
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What is the purpose of the Protectorelay unit?
What is the Pyrostat flame detector used for?
What type of burners is RA116A designed for?
What type of burners are RA117A and RA817A designed for?
What happens if the flame is not re-established on RA117A or RA817A?
Ace Heating B Series Operating And Maintenance Manual