Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

BS

Backflow Supply

Products

Products

Backflow Supply

FEBCO 500392 CHECK RETAINER

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$24.07

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shop is the next step on our mission to make commerce better for everyone.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

FEBCO RETAINER SPACER FOR 1/2" AND 3/4" MODELS 850/860/LF850/LF860. THIS IS THE PIECE THAT SITS BETWEEN THE TWO CHECKS AND HOLDS THEM IN PLACE IN THE BODY.

Delivery & Returns

Returns accepted within 30 days

B

Backflow Supply

4.9 (775)

More from Backflow Supply

30% off

WILKINS 3507-14F 350/375 2.5"-3" #1 RETAINER

35% off

FEBCO 630106 765 1"- 1 1/4" CK Spring

(1)

30% off

Wilkins 3510-14B #1 SEAT RETAINER FOR 6" 350/450/375/475

30% off

WILKINS 3707-3XL-010F RELIEF VALVE COVER

30% off

WILKINS 3510ST-140 SEAT RETAINER, #2 350AST/375AST 6"

30% off

WILKINS RK1-375BV1 1" 375 Inlet Ball Valve

(29)

5% off

MID-WEST 845-5 Backflow Test Kit

(123)

MID-WEST 110631 1/4" Quick Connect Fittings (Set of 3) for Backflow Testing

(21)

35% off

FEBCO 905349 CK MOD. EITHER CK 850 / #2 CK 860/880 1"

(2)

30% off

WILKINS RK34-375BV1 375 3/4" INLET BALL VALVE

(18)

35% off

WILKINS RK34-710 COMPLETE INTERNAL KIT

(2)

35% off

WILKINS RK1-720AP 1/2" - 1" 720A POPPET & O-RING KIT

Related to Backflow Supply

PD

PBS Direct

MasterRib® 29 ga. Metal Panel (Fixed Lengths)

(1)

MasterRib Inside Closure Strip

J-Channel

Panel Loc Plus Outside Closure

MasterRib Outside Closure

#10 Wood Screw - 250 qty

Standard Panel-Loc Plus™ Ribbed Metal Panel (Fixed Lengths)

(1)

Rake & Corner

Ridge Cap (Various Widths)

Panel-Loc Plus Inside Closure

Liner Panel-Loc Plus™ Ribbed Metal Panel (Fixed Lengths)

3/4" High Rib Outside Closure

KL

Kingspeed LLC

5

(22)

11% off

Kingspeed Billet Budget Builder Valve Cover 06+ Cummins

(9)

11% off

Kingspeed Billet Fuel Pump Block off Plate, 1989-2018 Dodge

(11)

3% off

Kingspeed Billet Front Cover 94-02

(8)

14% off

Kingspeed 5.9L Cummins Grid Heater Delete

(3)

13% off

Kingsped Billet Low Profile Shock Tower Delete Kit

(5)

20% off

Kingspeed Stainless Valve Cover Hardware

3% off

Kingspeed Cummins Fabricated Aluminum Oil Pan

(4)

6% off

Kingspeed 6.7 Cummins Billet Intake Horn

(2)

3% off

Kingspeed Billet Valve Cover 06+ Cummins Raw Engraved

(2)

3% off

Kingspeed Billet Front Cover 03+

(3)

20% off

Kingspeed Billet Fuel Pump Blockoff Plate W/ -10AN Male Fitting

(3)

5% off

Kingspeed VP44 Billet Tappet Cover

(3)

F

Flow Control Products

5

(45)

(Nibco Part#: NL4BA0D) T-301-W - Angle Valve - Bronze, Fire Protection - Flow Control Products

(Nibco Part#: NL4BA0D) T-301-W - Angle Valve - Bronze, Fire Protection

(Nibco Part#: NLG800M) LD-3510 - Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed - Flow Control Products

(Nibco Part#: NLG800M) LD-3510 - Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed

(Nibco Part#: NL94GIC) T-580-CS-R-66 - Two-Piece Carbon Steel Ball Valve - Conventional Port, Stainless Steel Trim - Flow Control Products

(Nibco Part#: NL94GIC) T-580-CS-R-66 - Two-Piece Carbon Steel Ball Valve - Conventional Port, Stainless Steel Trim

(Nibco Part#: NL99E58) KM-595-CS-R-66 - Three-Piece Carbon Steel Ball Valve - Full Port, Socket Weld ISO Mount - Flow Control Products

(Nibco Part#: NL99E58) KM-595-CS-R-66 - Three-Piece Carbon Steel Ball Valve - Full Port, Socket Weld ISO Mount

(Nibco Part#: H-77211W-TG) 7721W Series - Chrome Plated Forged DZR Brass Thermostatic Mixing Valve w/ Integral Check Valves - Flow Control Products

(Nibco Part#: H-77211W-TG) 7721W Series - Chrome Plated Forged DZR Brass Thermostatic Mixing Valve w/ Integral Check Valves

(Nibco Part#: L00125Y) 4601 - Coupling Slip x Slip - PVC Schedule 40 - Flow Control Products

(Nibco Part#: L00125Y) 4601 - Coupling Slip x Slip - PVC Schedule 40

(1)

(Nibco Part#: L00110Y) 4601 - Coupling Slip x Slip - PVC Schedule 40 - Flow Control Products

(Nibco Part#: L00110Y) 4601 - Coupling Slip x Slip - PVC Schedule 40

(1)

(Nibco Part#: K018200) 4801-7 - Trap Adapter H x SJ - PVC DWV - Flow Control Products

(Nibco Part#: K018200) 4801-7 - Trap Adapter H x SJ - PVC DWV

(Nibco Part#: M213400) 4724 - Snap-On Strap Polypropylene - CPVC-CTS - Flow Control Products

(Nibco Part#: M213400) 4724 - Snap-On Strap Polypropylene - CPVC-CTS

(1)

(Nibco Part#: I446050) 5861-LH - 90-degree Elbow with Low Heel Inlet Hub x Hub x Hub - ABS DWV - Flow Control Products

(Nibco Part#: I446050) 5861-LH - 90-degree Elbow with Low Heel Inlet Hub x Hub x Hub - ABS DWV

(Nibco Part#: I064500) 5807-3 - 90° Elbow H x FIPT - ABS DWV - Flow Control Products

(Nibco Part#: I064500) 5807-3 - 90° Elbow H x FIPT - ABS DWV

(Nibco Part#: MA932U6) U45TB-E - Ball Valve - Model D, Universal Ends, Tru-Bloc True Union, PVC Schedule 80, EPDM - Flow Control Products

(Nibco Part#: MA932U6) U45TB-E - Ball Valve - Model D, Universal Ends, Tru-Bloc True Union, PVC Schedule 80, EPDM

CruzeKits.com

4.9

(96)

V3.4+ GM 1.4L Turbo PCV Fix/Upgrade Kit

(116)

PCV Pipe Manifold Terminal Ring/Seal Kit

(3)

COMBO V3.4+ PCV Fix/Upgrade Kit & GM 25209141 Camshaft Valve Cover

(10)

CruzeKits V+ 5/16" Check Valve R3 - PACK

(6)

12% off

GM Genuine 1.4L Turbo 25209141 Camshaft Valve Cover

(3)

V2.1 GM 1.4L Turbo PCV Fix Kit

(3)

Bonomi 100002-1/4 Replacement Check Valve for V1/V2.1 Kits

GM 1.4L Turbo LUV/LUJ PCV Pipe/Hose Replacement/Upgrade Kit

GM LUV/LUJ Big 3 Kit

V1 GM 1.4L Turbo PCV Fix Kit

(1)

Pop's Ultimate Tool & Workshop Cleaner Concentrate

Discover top brands

Rockstar Original

Rockstar Original

Exclusive offer available

Rockstar Original

4.6 (187.3K)

Mandala Scrubs

Exclusive offer available

Mandala Scrubs

4.6 (11.5K)

Fashion Nova

4.3 (428.9K)

Exclusive offer available

The GLD Shop

4.7 (170.5K)

32 Degrees

4.7 (228K)

Aviator Nation

Exclusive offer available

Aviator Nation

4.5 (93.8K)

OOFOS

Exclusive offer available

OOFOS

4.5 (178.7K)

Exclusive offer available

Revice

4.4 (8.9K)

Little Sleepies

Exclusive offer available

Little Sleepies

4.9 (403.9K)

Culture Kings US

Culture Kings US

Culture Kings US

4.7 (149.3K)