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SP20172 Flammable Vapor FV Sensor Kit

4.7 out of 5 stars 2,747 ratings

$54.39
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Purchase options and add-ons

Brand Rheem
Item dimensions L x W x H 17 x 6.9 x 23.9 centimetres
Material Plastic
Item weight 0.01 Ounces
Mounting type Flange Mount

About this item

  • Includes: FV Sensor (AP13447-3), Cap Plug (AP13450-3), and 6" Wire Tie.
  • HVAC replacement part Rheem SP20172.
  • Rheem/Ruud replacement FV sensor kit.
  • This product replaces the AP13447-3 (this kit includes this sensor)

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This item: Rheem SP20172 Flammable Vapor FV Sensor Kit
$54.39
Get it 23 May - Jun 2
In stock
Ships from and sold by Amazon US.
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$20.87
Get it 5 - 13 Jun
Usually dispatched within 4 to 5 days
Ships from and sold by GettyCrafts-AU.
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Product Information

Technical Details

Manufacturer ‎Rheem
Part Number ‎SP20172
Product dimensions ‎17.02 x 6.86 x 23.88 cm; 0.28 Grams
Item Model Number ‎SP20172
Is discontinued by manufacturer ‎No
Size ‎6.7X2.7X9.4 inches
Colour ‎White
Style ‎Modern
Material ‎Plastic
Item Package Quantity ‎1
Plug Profile ‎Flange Mount
Usage ‎HVAC system maintenance and repair
Batteries Included? ‎No
Batteries Required? ‎No
Item Weight ‎0.28 g

Additional Information

ASIN B00G2DL8M8
Customer Reviews
4.7 out of 5 stars 2,747 ratings

4.7 out of 5 stars
Date First Available 2 December 2013

Product description

This is a genuine replacement part. The model number and name for the following item is: Rheem SP20172 FV Sensor Kit

WARNING:

CHOKING HAZARD -- Small parts. Not suitable for children under 36 months.

Customer reviews

4.7 out of 5 stars
2,747 global ratings

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  • Chrispy
    5.0 out of 5 stars This part can be reset with a simple process
    Reviewed in Canada on 16 April 2025
    Verified Purchase
    A plumber told me how to reset the gas valve when it locks up. Unplug the heater and use a slot screwdriver to turn down the thermostat all the way. Plug the heater back on and turn it all the way up, then back down. Repeat 3 times then turn it up 3/4s of the way. The heater fired right up. I kept the sensor and attached it to the gas line for the future. It seemed to make sense to keep the part which arrived the following day. Good of the plumber to tell me about the reset on the phone after a Sunday call and not charge us.
  • D K
    5.0 out of 5 stars In Hot water
    Reviewed in the United States on 7 April 2025
    Verified Purchase
    Works like clockwork. Fits rheem performance tank perfectly. Fast shipping
  • Arturo Malacara Vazquez
    5.0 out of 5 stars Producto Rheem
    Reviewed in Mexico on 9 June 2021
    Verified Purchase
    Muy buen producto y dificil de conseguir pero en Amazon lo encontre inmediatamente y a un excelente precio comparado con otros proveedores
    Report
  • Otto's Gang
    5.0 out of 5 stars Works with Honeywell Regulator
    Reviewed in the United States on 2 May 2018
    Verified Purchase
    I’m just reviewing the sensor. I am a homeowner making ends meet. If you are not comfortable hire a professional . I am NOT a professional . Enter at your own risk.

    Bought this sensor for a Rheem performance water heater with a Honeywell regulator. Water heater purchased 2016. My understanding is the sensor doesn’t care what brand of water heater it is. It only cares about the regulator. That’s what it shuts off .

    Problem:

    No hot water. Led indicator flashing 7 times indicating flammable vapor sensor lockout. Assuming there are no flammable vapors in the vicinity of the water heater the reset procedure is turn off the regulator , unplug the power cord for the regulator, turn the temp setting to low, plug the power cord back into the power outlet, turn on the regulator , and cycle the temp selector from low to high and back to low 7 times. You will probably hear the gas kick on by the 4th cycle but do all 7 and then set it where you want it. I continued to get shutdowns so ordered this sensor. Easy to replace. Pop out the old and disconnect and connect and pop in the new one. Two wires from the regulator with female spade connectors and two male connectors on the sensor. Not sure but my guess is you can not make a mistake. Takes less than 5 minutes . My old sensor ohmed at 0 and so did my new one. Go figure. Probably operator error . So far the new sensor has not created a shutdown . It’s early and if this system lets me update with any issue I will. I am ordering another one of these sensors and storing it with the hot water heater as a backup.

    Good luck.

    As I said at the beginning—you do this at your own risk. I am not a pro.

    See the pics for more info.
    Customer image
    Otto's Gang
    5.0 out of 5 stars
    Works with Honeywell Regulator

    Reviewed in the United States on 2 May 2018
    I’m just reviewing the sensor. I am a homeowner making ends meet. If you are not comfortable hire a professional . I am NOT a professional . Enter at your own risk.

    Bought this sensor for a Rheem performance water heater with a Honeywell regulator. Water heater purchased 2016. My understanding is the sensor doesn’t care what brand of water heater it is. It only cares about the regulator. That’s what it shuts off .

    Problem:

    No hot water. Led indicator flashing 7 times indicating flammable vapor sensor lockout. Assuming there are no flammable vapors in the vicinity of the water heater the reset procedure is turn off the regulator , unplug the power cord for the regulator, turn the temp setting to low, plug the power cord back into the power outlet, turn on the regulator , and cycle the temp selector from low to high and back to low 7 times. You will probably hear the gas kick on by the 4th cycle but do all 7 and then set it where you want it. I continued to get shutdowns so ordered this sensor. Easy to replace. Pop out the old and disconnect and connect and pop in the new one. Two wires from the regulator with female spade connectors and two male connectors on the sensor. Not sure but my guess is you can not make a mistake. Takes less than 5 minutes . My old sensor ohmed at 0 and so did my new one. Go figure. Probably operator error . So far the new sensor has not created a shutdown . It’s early and if this system lets me update with any issue I will. I am ordering another one of these sensors and storing it with the hot water heater as a backup.

    Good luck.

    As I said at the beginning—you do this at your own risk. I am not a pro.

    See the pics for more info.
    Images in this review
    Customer imageCustomer imageCustomer imageCustomer imageCustomer image
  • Mitch
    5.0 out of 5 stars Does what it's supposed to
    Reviewed in Canada on 12 July 2023
    Verified Purchase
    I bought one locally a few years ago for over 3x this price. Worked fine, easy to install even if you have no idea what you're doing, if you can plug an appliance into the wall you can install this.

    All you need is a flathead screwdriver to pry the old one off (you could use a butterknife also)

    Reminder than most tanks require a reset after installing so if you plug it in and its still giving you an error just initiate a tank reset. (Can check google for how to do so)

Product Summary: Rheem SP20172 Flammable Vapor FV Sensor Kit

From Rheem

4.7 out of 5 stars, 2,747 ratings

Customer reviews

About this Item

  • Includes: FV Sensor (AP13447-3), Cap Plug (AP13450-3), and 6" Wire Tie.
  • HVAC replacement part Rheem SP20172.
  • Rheem/Ruud replacement FV sensor kit.
  • This product replaces the AP13447-3 (this kit includes this sensor)

Product description

This is a genuine replacement part. The model number and name for the following item is: Rheem SP20172 FV Sensor Kit

Important Information

  1. Small parts. Not suitable for children under 36 months.

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