Skip to main content
PetLawn & 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
4.8
(4)
4.8 out of 5 stars. 4 reviews
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Farm & Ranch
  4. /
  5. Sprayers
  6. /
  7. Ag Sprayer Parts & Accessories
  8. /
  9. Ag Sprayers Pumps & Repair
  10. /
  11. Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon

  1. Home
  2. /
  3. /
  4. Ag Sprayers Pumps & Repair

Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon

Shop all Hamilton
Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon

Item # 210672199

Stocked & Ready
Hamilton Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon
Hamilton Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon
$39.99


Get everything you need
Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon
4.8(4)

Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon

$39

.99

Green Leaf Inc. 3/4 in. MPT x 3/4 in. Barb Nylon Straight Hose Adapter
4.8(4)

Green Leaf Inc. 3/4 in. MPT x 3/4 in. Barb Nylon Straight Hose Adapter

$2

.49

CountyLine 100 PSI Liquid Pressure Gauge
5.0(5)

CountyLine 100 PSI Liquid Pressure Gauge

$24

.99

Green Leaf Inc. 1/2 in. Polypropylene Bulkhead Fitting
4.1(22)

Green Leaf Inc. 1/2 in. Polypropylene Bulkhead Fitting

$9

.99

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

Sign in or Join Now

Shop all Hamilton
Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon

Item # 210672199

Stocked & Ready
Hamilton Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon
Hamilton Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon

$39.99
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.

Shopping at

Grassland (franklin) TN

Delivery to

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

​

Get everything you need
Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon
4.8(4)

Hamilton Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Nylon

$39

.99

Green Leaf Inc. 3/4 in. MPT x 3/4 in. Barb Nylon Straight Hose Adapter
4.8(4)

Green Leaf Inc. 3/4 in. MPT x 3/4 in. Barb Nylon Straight Hose Adapter

$2

.49

CountyLine 100 PSI Liquid Pressure Gauge
5.0(5)

CountyLine 100 PSI Liquid Pressure Gauge

$24

.99

Green Leaf Inc. 1/2 in. Polypropylene Bulkhead Fitting
4.1(22)

Green Leaf Inc. 1/2 in. Polypropylene Bulkhead Fitting

$9

.99

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

Sign in or Join Now

The Hamilton Pressure Regulating Bypass Valve controls the pressure for agricultural sprayers. Designed as a universal replacement, this regulating bypass valve is made of polypropylene and brass for durability. Use the bypass valve for water fluid transfers with sprayers, pumps and hoses among agricultural fluid applications.

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

  • Controls pressure for agricultural sprayers
  • Universal replacement pressure regulating bypass valve
  • 400 PSI maximum pressure rating; maximum of 15 GPM
  • 3/4 in. MNPT inlet; 3/4 in. FNPT bypass valve outlet
  • Backed by a 1 year warranty against manufacturer's defects
  • Made of polypropylene and brass for durability
  • Operating temperature of up to 120 deg. F
  • Ideal bypass valve for herbicides, insecticides and pesticides
  • Bypasses excess liquid while maintaining control of fluid flow
  • Use for water fluid transfers with sprayers, pumps and hoses among agricultural fluid applications
  • Positive Viton seals for smooth operation and sealed connections
  • T-handle adjustment screw for convenience
BrandHamilton
Country of OriginImported
CompatibilityMaster Manufacturing, Valley Industries, Fimco, Countyline, Workhorse, Greenleaf and Hamilton
Discharge ConnectionThreaded Female
Discharge Port Diameter0.75 in.
Inlet ConnectionThreaded Male
Inlet Diameter3/4 in.
Maximum Flow Rate15 GPM
Maximum Operating Pressure250 PSI
Maximum Operating Temperature120 deg. F
Package Quantity1
Primary ColorBlack
Primary MaterialPolypropylene
Product Height2.25 in.
Product Length6.75 in.
Product Weight0.34 lb.
Product Width5 in.
Pump/Repair Product TypeValves
Warranty12 Month
Manufacturer Part NumberRV2066-05-58-CSK

Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 8 of 8 Questions
Sort by
Newest questions

Q: which in creases pressure screwed in or out

11 months ago
1 Answer
  • A: Hi Neighbor- You need to rotate the T-handle clockwise
    11 months ago
    Helpful?

Q: Does changing pressure change how far it sprays

3 years ago
1 Answer
  • A: Please call the manufacturer at 269-781-3100 for assistance with your inquiry.
    3 years ago
    Helpful?

Q: Can I use this as a direct pressure regulator

3 years ago
1 Answer
  • A: This is intended as a Universal replacement for a pressure regulating bypass valve. For any other uses or recommendations, we advise you reach out to the manufacturer for guidance: 269-781-3100
    3 years ago
    Helpful?

Q: What's the minimum bypass pressure

3 years ago
1 Answer
  • A: RV2066-05-58 will operate between 0-250 PSI.
    3 years ago
    Helpful?

Q: hOW DO YOU ADJUST TIS MODEL 2066-05-58 NYLON PRESSURE REGULATING ZALVE BEFORE I START 31/2 HP. GAS ENGINE TO START THE SPRAY WAND ????????

5 years ago
1 Answer
  • A: For additional product support, please contact 269.781.3100.
    5 years ago
    Helpful?

Q: What is the lowest pressure this product will regulate?

5 years ago
1 Answer
  • A: RV2066-05-58 will operate between 0-250 PSI.
    5 years ago
    Helpful?

Q: water safe? does that mean anything really?  is this potable water safe is my question.  

6 years ago
1 Answer
  • A: Please call the manufacturer at 269-781-3100 for assistance with your inquiry.
    6 years ago
    Helpful?

Q: Is the a "piston style" regulator

9 years ago
1 Answer
  • A: There is a piston in the cap that pushes down on the spring.
    9 years ago
    Helpful?

Q&As

Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 8 of 8 Questions
Sort by
Newest questions

Q: which in creases pressure screwed in or out

11 months ago
1 Answer
  • A: Hi Neighbor- You need to rotate the T-handle clockwise
    11 months ago
    Helpful?

Q: Does changing pressure change how far it sprays

3 years ago
1 Answer
  • A: Please call the manufacturer at 269-781-3100 for assistance with your inquiry.
    3 years ago
    Helpful?

Q: Can I use this as a direct pressure regulator

3 years ago
1 Answer
  • A: This is intended as a Universal replacement for a pressure regulating bypass valve. For any other uses or recommendations, we advise you reach out to the manufacturer for guidance: 269-781-3100
    3 years ago
    Helpful?

Q: What's the minimum bypass pressure

3 years ago
1 Answer
  • A: RV2066-05-58 will operate between 0-250 PSI.
    3 years ago
    Helpful?

Q: hOW DO YOU ADJUST TIS MODEL 2066-05-58 NYLON PRESSURE REGULATING ZALVE BEFORE I START 31/2 HP. GAS ENGINE TO START THE SPRAY WAND ????????

5 years ago
1 Answer
  • A: For additional product support, please contact 269.781.3100.
    5 years ago
    Helpful?

Q: What is the lowest pressure this product will regulate?

5 years ago
1 Answer
  • A: RV2066-05-58 will operate between 0-250 PSI.
    5 years ago
    Helpful?

Q: water safe? does that mean anything really?  is this potable water safe is my question.  

6 years ago
1 Answer
  • A: Please call the manufacturer at 269-781-3100 for assistance with your inquiry.
    6 years ago
    Helpful?

Q: Is the a "piston style" regulator

9 years ago
1 Answer
  • A: There is a piston in the cap that pushes down on the spring.
    9 years ago
    Helpful?

Similar Items

  1. Hamilton 15 GPM Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hamilton 15 GPM Pressure Regulating Bypass Valve, 3/4 in. MNPT Inlet x 3/4 in. FNPT, Aluminum

    $44.99
  2. CountyLine 96 in. Sprayer Wiring Harness
    4.2 out of 5 stars with 102 reviews
    4.2 (102)

    CountyLine 96 in. Sprayer Wiring Harness

    $19.99
  3. Top Rated
    CountyLine Sprayer Wiring Harness Extension
    4.9 out of 5 stars with 22 reviews
    4.9 (22)

    CountyLine Sprayer Wiring Harness Extension

    $14.99
  4. Fimco Sprayer Manifold Repair Kit
    4.5 out of 5 stars with 25 reviews
    4.5 (25)

    Fimco Sprayer Manifold Repair Kit

    $9.99
  5. CountyLine 200 PSI Standard Pressure Gauge
    4.4 out of 5 stars with 7 reviews
    4.4 (7)

    CountyLine 200 PSI Standard Pressure Gauge

    $9.99
  6. Top Rated
    CountyLine 100 PSI Liquid Pressure Gauge
    5.0 out of 5 stars with 5 reviews
    5.0 (5)

    CountyLine 100 PSI Liquid Pressure Gauge

    $24.99
  7. CountyLine 100 PSI Dry Pressure Gauge
    4.7 out of 5 stars with 6 reviews
    4.7 (6)

    CountyLine 100 PSI Dry Pressure Gauge

    $9.99
  8. Top Rated
    CountyLine 200 PSI Liquid Pressure Gauge
    5.0 out of 5 stars with 3 reviews
    5.0 (3)

    CountyLine 200 PSI Liquid Pressure Gauge

    $24.99
  9. Top Rated
    CountyLine Round 3/4 in. Boom Clamp
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    CountyLine Round 3/4 in. Boom Clamp

    $5.99
  10. CountyLine Quick-Attach Adjustable Sprayer Pressure Regulator for CountyLine Sprayers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Quick-Attach Adjustable Sprayer Pressure Regulator for Sprayers

    $35.99
  11. Fimco Wand Clips, 2 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Fimco Wand Clips, 2 pk.

    $7.99
  12. Top Rated
    Fimco Multi-Lid Sprayer Tank Cap
    4.9 out of 5 stars with 10 reviews
    4.9 (10)

    Fimco Multi-Lid Sprayer Tank Cap

    $29.99

Items You May Like

  1. Hypro 21.8 GPM 6-Roller Cast Iron Sprayer Pump with Torque Arm
    4.5 out of 5 stars with 82 reviews
    4.5 (82)

    Hypro 21.8 GPM 6-Roller Cast Iron Sprayer Pump with Torque Arm

    $169.99
  2. TeeJet Manual Boom Controller for 3-Section Boom
    4.5 out of 5 stars with 59 reviews
    4.5 (59)

    TeeJet Manual Boom Controller for 3-Section Boom

    $149.99
  3. Hypro 7.2 GPM 4-Roller Cast Iron Sprayer Pump
    4.4 out of 5 stars with 58 reviews
    4.4 (58)

    Hypro 7.2 GPM 4-Roller Cast Iron Sprayer Pump

    $139.99
  4. Hypro 22.5 GPM 8-Roller Cast Iron Sprayer Pump
    4.6 out of 5 stars with 113 reviews
    4.6 (113)

    Hypro 22.5 GPM 8-Roller Cast Iron Sprayer Pump

    $199.99
  5. Delavan 25 GPM Roller Pro 8-Roller Cast Iron Sprayer Pump
    3.6 out of 5 stars with 22 reviews
    3.6 (22)

    Delavan 25 GPM Roller Pro 8-Roller Cast Iron Sprayer Pump

    $229.99
  6. Hypro 21.8 GPM 6-Roller Cast Iron Sprayer Pump
    4.2 out of 5 stars with 126 reviews
    4.2 (126)

    Hypro 21.8 GPM 6-Roller Cast Iron Sprayer Pump

    $159.99
  7. Delavan 1-3/8 in. x 5/8 in. PTO Dual Speed Quick Coupler
    4.4 out of 5 stars with 10 reviews
    4.4 (10)

    Delavan 1-3/8 in. x 5/8 in. PTO Dual Speed Quick Coupler

    $29.99
  8. Delavan Roller Pro 4-Roller Cast Iron Sprayer Pump, 9.2 GPM
    4.1 out of 5 stars with 19 reviews
    4.1 (19)

    Delavan Roller Pro 4-Roller Cast Iron Sprayer Pump, 9.2 GPM

    $149.99
  9. TeeJet Pressure Relief Valve 6815-3/4-300
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    TeeJet Pressure Relief Valve 6815-3/4-300

    $109.99
  10. RollerPRO Stainless Steel Diamond Series 6-Roller Pump
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    UnbrandedRollerPRO Stainless Steel Diamond Series 6-Roller Pump

    $439.99
  11. Delavan Roller Pro 6-Roller Cast Iron Sprayer Pump, 19.6 GPM
    4.2 out of 5 stars with 30 reviews
    4.2 (30)

    Delavan Roller Pro 6-Roller Cast Iron Sprayer Pump, 19.6 GPM

    $179.99
  12. CountyLine 3/4 in. Female NPT x 3/4 in. Male NPT Solenoid Shut-Off Valve
    4.2 out of 5 stars with 20 reviews
    4.2 (20)

    CountyLine 3/4 in. Female NPT x 3/4 in. Male NPT Solenoid Shut-Off Valve

    $159.99

Reviews

Rating Snapshot

Select a row below to filter reviews.

5 starsstars

3
3 reviews with 5 stars.

4 starsstars

1
1 review with 4 stars.

3 starsstars

0
0 reviews with 3 stars.

2 starsstars

0
0 reviews with 2 stars.

1 starstars

0
0 reviews with 1 star.

Overall Rating

4.8
1 out of 1 (100%) reviewers recommend this product

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.
Adding a review will require a valid email for verification
1 to 1 of 4 Reviews .
1 – 1 of 4 Reviews
Sort by
Most Recent
Review 1
5 out of 5 stars.

Property manager

3 years ago
Great service got the part in a timely manner. Everything was correct on the part and I will use you again.
Sweepstakes EntryYes

Yes, I recommend this product.

3 Ratings-Only Reviews

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.