Skip to main content
FallHalloweenPetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Truck & Automotive
  4. /
  5. RVs & Campers
  6. /
  7. RV Parts
  8. /

  9. Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873

  1. Home
  2. /
  4. /
  5. RV Parts

Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873

Shop all Dometic

  • Limited Time Deal

Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873

Item # 226820799

Dometic Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873
Dometic Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873
$35.99

Sale

Was$39.99

Save $4.00

Get everything you need
Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873
0.0(0)

Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873

$35

.99

$39.99

Save (10%)

Dometic Water Heater Thermostat, Front Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91447
0.0(0)

Dometic Water Heater Thermostat, Front Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91447

$24

.29

$26.99

Save (10%)

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Dometic

  • Limited Time Deal

Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873

Item # 226820799

Dometic Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873
Dometic Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873

$35.99

Sale

Was$39.99

Save $4.00

financeCard Logo
New Cardmembers earn a $20 Reward‡ with qualifying purchase of $20 or more plus earn 5% in Rewards+ on this purchase. Valid through 8/9/26.

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Get everything you need
Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873
0.0(0)

Dometic Water Heater Thermostat, Back Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91873

$35

.99

$39.99

Save (10%)

Dometic Water Heater Thermostat, Front Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91447
0.0(0)

Dometic Water Heater Thermostat, Front Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91447

$24

.29

$26.99

Save (10%)

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Atwood Mobile Products, LLC has been a world leader in designing, engineering and manufacturing appliances and hardware for the RV industry for over 30 Year. Whether it's our constant drive for innovation and improvement or our unwavering commitment to our customers it's no coincidence that Atwood Mobile Products, LLC has found itself an integral part of the RV industry for now and many Year to come.

  • Developed To Provide Steady Performance And Reliability
  • Back Mount
  • Thermo Disc Style
  • Easy To Install
BrandDometic
Country of OriginMade in USA
Make/Model CompatibilityUniversal
Package Quantity1
Primary ColorBrown
Product Height2 in.
Product Length8 in.
Product Weight0.04 lb.
Product Width5.25 in.
RV Maintenance TypeOther
WarrantyLimited 2 Year Warranty
Manufacturer Part NumberD7E91873
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Dometic Water Heater Thermostat, Front Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91447
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Water Heater Thermostat, Front Mount for Atwood Electric Water Heaters, Thermo Disc Style, 91447

    $24.29
    Was $26.99Save $2.70
  2. Top Rated
    Dometic Water Heater Element, 92097
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Dometic Water Heater Element, 92097

    $58.49
    Was $64.99Save $6.50
  3. Dometic Ignition Control Circuit Board for RV, Replacement for Atwood Electric/Gas Water Heaters, 91365
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Ignition Control Circuit Board for RV, Replacement for Atwood Electric/Gas Water Heaters, 91365

    $299.99
  4. Top Rated
    Dometic Furnace Blower Wheel for Atwood 8500 Series Furnaces
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Dometic Furnace Blower Wheel for Atwood 8500 Series Furnaces

    $29.99
  5. Dometic 31091 Limit Switch for RV, Replacement for Atwood Furnaces
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic 31091 Limit Switch for RV, Replacement for Atwood Furnaces

    $40.49
    Was $44.99Save $4.50
  6. Top Rated
    Dometic Water Heater Drain Plug 1/2 Inch NPT Thread, White Plastic, Set of 2, 91857
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Dometic Water Heater Drain Plug 1/2 Inch NPT Thread, White Plastic, Set of 2, 91857

    $10.79
    Was $11.99Save $1.20
  7. Dometic Single Zone RV Wall Thermostat for use with Dometic Air Conditioners, White, 3316250.700
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Single Zone RV Wall Thermostat for use with Air Conditioners, White, 3316250.700
  8. Dometic Toilet Water Valve Module for Dometic Pedal Flush Toilets
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Toilet Water Valve Module for Pedal Flush Toilets

    $64.99
  9. Dometic Relay for RV Water Heaters, 93849
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Relay for RV Water Heaters, 93849

    $17.99
    Was $19.99Save $2.00
  10. Camplux 8 kW 240 V Tankless Electric Water Heater
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Camplux 8 kW 240 V Tankless Electric Water Heater

    $189.99
  11. Top Rated
    Dometic Furnace Gas Valve for Atwood HydroFlame Furnace with Side Outlet
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Dometic Furnace Gas Valve for Atwood HydroFlame Furnace with Side Outlet

    $99.99
  12. Camplux 14 kW 240 V Tankless Electric Water Heater
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Camplux 14 kW 240 V Tankless Electric Water Heater

    $249.99

Items You May Like

  1. Icon ICON Tandem Axle Fender Skirt for Univeral Fit, White, FS600
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon ICON Tandem Axle Fender Skirt for Univeral Fit, White, FS600

    $197.99
    Was $219.99Save $22.00
  2. Icon Single Axle Fender Skirt for Universal Fit, White, FS1738, 1738
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Single Axle Fender Skirt for Universal Fit, White, FS1738, 1738

    $179.99
    Was $199.99Save $20.00
  3. Icon Tandem Axle Fender Skirt for Glendale Models, White, FS788
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Tandem Axle Fender Skirt for Glendale Models, White, FS788

    $215.99
    Was $239.99Save $24.00
  4. Icon Plug - MPT, 14167
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Plug - MPT, 14167

    $13.49
    Was $14.99Save $1.50
  5. Icon Tandem Axle Fender Skirt for Dutchmen Models, White, FS1788
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Tandem Axle Fender Skirt for Dutchmen Models, White, FS1788

    $215.99
    Was $239.99Save $24.00
  6. Icon RV Skylight, Gray, 24 in. x 24 in. x 5 in., SL2424
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon RV Skylight, Gray, 24 in. x 24 in. x 5 in., SL2424

    $197.99
    Was $219.99Save $22.00
  7. Icon Airstream Propane Valve Cover
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Airstream Propane Valve Cover

    $72.89
    Was $80.99Save $8.10
  8. Icon Tandem Axle Fender Skirt for Forest River Models, White, FS2105
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Tandem Axle Fender Skirt for Forest River Models, White, FS2105

    $305.99
    Was $339.99Save $34.00
  9. Icon Single Axle Fender Skirt for Jayco Models, White, FS2558
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Single Axle Fender Skirt for Jayco Models, White, FS2558

    $179.99
    Was $199.99Save $20.00
  10. Icon Tandem Axle Fender Skirt for Keystone Outback Models, Brown, FS5304
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Tandem Axle Fender Skirt for Keystone Outback Models, Brown, FS5304
  11. Icon Single Axle Fender Skirt for Triple E Models, White, FS2342
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Single Axle Fender Skirt for Triple E Models, White, FS2342

    $215.99
    Was $239.99Save $24.00
  12. Icon Tandem Axle Fender Skirt for Starcraft Models, Black, FS4209
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Icon Tandem Axle Fender Skirt for Starcraft Models, Black, FS4209

    $215.99
    Was $239.99Save $24.00

Customers Also Bought

  1. Dometic Floor Flange Toilet Seal for Dometic Traveler/ Traveler Plus/ VacuFlush Series Toilets, Single, 385310063
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Floor Flange Toilet Seal for Traveler/ Traveler Plus/ VacuFlush Series Toilets, Single, 385310063

    $39.99
  2. Top Rated
    Dometic Toilet Mounting Bolts, Replacement for Dometic 310/ 300/ 301 Model Toilets, White, 385311652
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Dometic Toilet Mounting Bolts, Replacement for 310/ 300/ 301 Model Toilets, White, 385311652

    $44.99
  3. Dometic Awning Arm Slider for Dometic Patio Awnings, 830463P
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Awning Arm Slider for Patio Awnings, 830463P

    $26.99
    Was $29.99Save $3.00
  4. Dometic Air Conditioner Installation Gasket Kit for use eith Dometic 14 in. x 14 in. Vent Openings
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Air Conditioner Installation Gasket Kit for use eith 14 in. x 14 in. Vent Openings

    $59.99
  5. Dometic Refrigerator Door Panel in Black, For Dometic DM2672 and DM2682 Model Refrigerators, 3106863.305C
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Refrigerator Door Panel in Black, For DM2672 and DM2682 Model Refrigerators, 3106863.305C
  6. Dometic Toilet Water Valve Module for Dometic 301/ 310/ 300 Model Pedal Flush Toilets
    4.2 out of 5 stars with 13 reviews
    4.2 (13)

    Dometic Toilet Water Valve Module for 301/ 310/ 300 Model Pedal Flush Toilets

    $74.99
  7. Dometic Replacement Refrigerator Door Handles for Dometic DM2672/ DM2872 Model Refrigerators, Black, 2-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Replacement Refrigerator Door Handles for DM2672/ DM2872 Model Refrigerators, Black, 2-Pack

    $64.99
  8. Top Rated
    Dometic Plastic Replacement Water Heater Drain Plugs, 2 pc.
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Dometic Plastic Replacement Water Heater Drain Plugs, 2 pc.

    $17.99
    Was $19.99Save $2.00
  9. Dometic Furnace Combustion Wheel for Atwood 85/ 89 Series Furnaces, 33128
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Furnace Combustion Wheel for Atwood 85/ 89 Series Furnaces, 33128

    $13.49
    Was $14.99Save $1.50
  10. Dometic Replacement Ignition Control Circuit Board for Atwood Furnaces with Direct Spark Ignition (DSI), 31501
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Replacement Ignition Control Circuit Board for Atwood Furnaces with Direct Spark Ignition (DSI), 31501

    $249.99
  11. Dometic Programmable Single Zone Wall Thermostat, Cool/ Furnace, Polar White Capacitive Touch Case, 3316230.700
    4.0 out of 5 stars with 2 reviews
    4.0 (2)

    Dometic Programmable Single Zone Wall Thermostat, Cool/ Furnace, Polar White Capacitive Touch Case, 3316230.700

    $182.99
  12. Dometic Programmable Wall Thermostat, Single Zone, Cool/ Furnace, Black Capacitive Touch Case
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Dometic Programmable Wall Thermostat, Single Zone, Cool/ Furnace, Black Capacitive Touch Case

    $199.99

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.