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How do I replace or reset a honeywell wv4460E flammable

Customer Question
vapor sensor lockout it's on...
How do I replace or reset a honeywell wv4460E flammable vapor sensor lockout it's on a bradford white hot water heater.
Submitted: 8 months ago.Category: HVAC
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Answered in 1 minute by:
11/10/2017
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago
Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 24,408
Experience: 40+ yrs. experience as a licensed oil & gas technician.
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Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your

issue. First I’ll need some more info so I have a more complete picture of your situation. What the model number of the water heater (not the gas valve)? Do you have an ohm meter?

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Customer reply replied 8 months ago
I can get an ohm meter. Hot water heater is a Bradford White Defender. Model # M1TW40S6FBN
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

Give me a few to pull the specs

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Customer reply replied 8 months ago
I'm going to drive and grab an ohm meter now at my garage.
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

Ok, first sensor must fall within the 3k to 48k ohm range or it's junk. To reset the gas valve cycle power off then back on again and turn the temp dial all the way up then all the way down 7 times within 30 seconds. This will only work if sensor is in normal range.

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Customer reply replied 8 months ago
Trying that now
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

Ok

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Customer reply replied 8 months ago
Tried the reset cycling before testing the sensor. I don't know where that sensor is to test it....
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

It plugs into the bottom middle of the gas valve and has 2 leads. Unplug the connector and test there.

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Customer reply replied 8 months ago
It's pooched. Special order or available at lowes and Home Depot?
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

Bradford White dealer/wholesaler (plumbing supply house) only. Not HD.

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HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

Do you have more questions?

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