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BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22092
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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My 551 light itself without an issue then after a

Customer Question

My 551 light itself without an issue then after a few moments turns itself off. Following your comments here I set the temperature to low and it starts and stays alight for a longer period and if I edge the temp gauge higher it will continue to operate normally. However if I set the unit to high again it shuts itself down.
Submitted: 1 year ago.
Category: HVAC
Expert:  BillyHvac replied 1 year ago.
Hello,
it is likely the pressure of full start blowing flame away from flame safety.
Which type pilot do you have?
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