Double Check Assemblies Supplies & Materials for Landscaping

Create New Account Request an Account

Remember me

Not recommended if on a shared computer

Customer Registration

If you're already a SiteOne Account Holder, you can request Online Access to take advantage of these benefits:

Customer-Specific Pricing
Order History & Invoices
Shopping Lists

Customer Client Estimates
SiteOne eWallet
SiteOne Mobile App

ACCOUNT HOLDERS

Need online access?

If you already have SiteOne Account but need online access, you can get started here.

Get Online Access

NON-ACCOUNT HOLDERS

Need a SiteOne Account?

To get online access, you'll first need a SiteOne Account. You can get started here.

Benefits of a SiteOne Account

Check Pricing and Inventory

See your personalized price and what you local branch has in stock

Shop 5000+ items anytime

Access our full catelogue of products from any device 24/7

Place orders from anywhere

Order online for in-store pickup or job site delivery

Returning Customers

Create New Account Request an Account

Remember me

Not recommended if on a shared computer

Customer Registration

If you're already a SiteOne Account Holder, you can request Online Access to take advantage of these benefits:

Customer-Specific Pricing
Order History & Invoices
Shopping Lists

Customer Client Estimates
SiteOne eWallet
SiteOne Mobile App

ACCOUNT HOLDERS

Need online access?

If you already have SiteOne Account but need online access, you can get started here.

Get Online Access

NON-ACCOUNT HOLDERS

Need a SiteOne Account?

To get online access, you'll first need a SiteOne Account. You can get started here.

Benefits of a SiteOne Account

Check Pricing and Inventory

See your personalized price and what you local branch has in stock

Shop 5000+ items anytime

Access our full catelogue of products from any device 24/7

Place orders from anywhere

Order online for in-store pickup or job site delivery

Returning Customers

Create New Account Request an Account

Remember me

Not recommended if on a shared computer

Customer Registration

If you're already a SiteOne Account Holder, you can request Online Access to take advantage of these benefits:

Customer-Specific Pricing
Order History & Invoices

Shopping Lists
Customer Client Estimates

SiteOne eWallet
SiteOne Mobile App

ACCOUNT HOLDERS

Need online access?

If you already have SiteOne Account but need online access, you can get started here.

Get Online Access

NON-ACCOUNT HOLDERS

Need a SiteOne Account?

To get online access, you'll first need a SiteOne Account. You can get started here.

Checkout as Guest

If you want to check out without a SiteOne Account, be our guest. You can create an online account later.

Checkout as Guest

Benefits of a SiteOne Account

Check Pricing and Inventory

See your personalized price and what you local branch has in stock

Shop 5000+ items anytime

Access our full catelogue of products from any device 24/7

Place orders from anywhere

Order online for in-store pickup or job site delivery

Home
All Products
Irrigation
Backflow
Double Check Assemblies

If you update your home branch it may affect items currently in your cart.

Filters

0 Selected

In-Stock today at

Alpharetta and Nearby 14
Shipping Available 0
You're shopping Alpharetta, GA Change preferred branch
- All nearby branches
- Alpharetta GA #1146 3.1 miles
- Alpharetta GA #1043 5.0 miles
- Cumming GA #1012 5.5 miles
- Cumming GA #1045 5.5 miles
- Buford GA #57 11.0 miles
- Atlanta GA #454 12.2 miles
- Marietta GA #19 20.6 miles
- Marietta GA #1041 20.7 miles
- Woodstock GA #1042 22.5 miles
- Kennesaw GA #673 23.1 miles
- Marietta GA #177 23.1 miles
- Kennesaw GA #173 24.3 miles
- Conyers GA #742 31.2 miles
- McDonough GA #50 43.7 miles
- Tyrone GA #612 50.7 miles
- Eatonton GA #1019 69.2 miles
- Eatonton GA #1143 70.9 miles
- Ooltewah TN #198 85.4 miles
- Macon GA #176 88.8 miles

All Brands

Wilkins 23
FEBCO 20
Watts 9
Apollo 7
Zurn 2

Price

$1,000-$100,000 25
$200-$499.99 18
$500-$999.99 18

Connection Size

1 in. 5
2 in. 4
1-1/2 in. 3
1-1/2 in. x 1-1/2 in. 2
1-1/4 in. 2
2 in. x 2 in. 2
3/4 in. 2
3/4 in. x 3/4 in. 2
1 1/2 in. 1
1 1/2 in. x 1-1/2 in. 1
1 1/4 in. x 1-1/4 in. 1
1 in. x 1 in. 1

Show All

Connection Type

Fnpt x Fnpt 9
FNPT x FNPT 2

Includes

With Ball Valves 7
Ball Valve 3
Ball Valve & Freeze Sensing Capability 1
Ball Valves 1
Fast Test Cocks 1
Union Ball Valve 1
With Union End Ball Valves 1

Item

Valve Assembly 26
Valve 1

Material

Bronze 15
Cast Bronze 5
Lead Free Bronze 2
Copper Silicon Alloy 1
Lead Free Copper Silicon Alloy 1

Series

Model 850 4
007 3
850 Small 2
Top Access 2
300XL Series 1
350 Series 1
350XL Series 1
4A Series 1
950XLT Series 1
950XLT2 Series 1
950XLTU Series 1
LF850 Small 1
LF850 Small Series 1
Model 007M1 1
Model 350XL 1
Model 850U 1
Model LF850 1

Show All

Type

Double Check 26

View

Showing 49-61 of 61

2
3(current)

View

Showing 49-61 of 61

2
3(current)

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

FEBCO 850 Double Check Assembly w/ Ball Valves 1-1/2 in. Bronze w/ Freeze Sensing Cap...

T1115 | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$1,143.52
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

Wilkins 950XL3 Double Check Valve Assembly, Lead Free 3/4 in. FNPT x FNPT, Top Access...

34-950XL3 | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$489.69
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

More Content From SiteOne Experts

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

Watts LF007M3 Double Check Assembly w/ Ball Valves 3/4 in. Lead Free Bronze w/ Freeze...

T063231 | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$756.33
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

Watts LF007M1 Double Check Assembly w/ Ball Valves 1 in. Lead Free Bronze w/ Freeze S...

T063232 | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$832.61
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

Apollo 4A Double Check Valve Assembly Lead Free 3/4 in.

4ALF104A2F | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$443.31
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

Apollo Lead Free Double Check Valve Assembly 4A Series Bronze 1 in. w/ Ball Valves

4ALF105A2F | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$585.89
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

Wilkins Double Check Valve Assembly Model 350 ft. 1 in. Bronze w/ Fast Test & Ball Va...

1-350FT | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$352.51
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

Watts 007M3 Double Check Assembly w/ Ball Valves 3/4 in. Bronze w/ Freeze Sensing Cap...

T062020 | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$537.71
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

Wilkins Double Check Valve Assembly Model 350 ft. 3/4 in. Bronze With Fast Test and B...

34-350FT | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$330.87
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

FEBCO 850U Double Check Assembly w/ Unions 1 in. Bronze w/ Freeze Sensing Capability ...

T2613 | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$706.60
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.

Available to Order" Available for Backorder from

Add this product to a list selected below. If you dont see the list you want, you can create a new one.

Select a List:

In order to add this item to a list, you will need to create a list. Enter a name for the list below and the selected product will be automatically added to it.

Please Enter List Name.

New List Name

List name already exists. Please enter a new name.

Add to List

List name already exists. Please enter a new name.

Please Enter List Name.

Returning Customers

Sign in to your account

Password

Remember me (Not recommended if on a
shared computer)

FEBCO LF850 Double Check Assembly w/ Ball Valves 2 in. Lead Free Bronze w/ Freeze Sen...

T683043 | 1 Option

Add to List

Available by Request i We’ll check stock/substitutes and source this item for you.

Please enter a valid quantity.

Expect delays in receiving full order.

Retail Price

$1,457.97
^Each

Pick-Up

Delivery

Shipping

No Locations with Inventory Nearby.