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Shower Hose Restrictors & Washers

Shower hose washers and shower flow restrictors for the small rubber and plastic parts inside the threaded ends of a shower hose. Hose washers seal the joint between hose and valve or hose and handset. Flow restrictors sit inside the same threads and limit water passing through. They cost very little but stop a leak that would otherwise need a new hose. Most UK showers use a 1/2 inch BSP washer; Mira hoses use a brand-specific size.

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Showing 39 of 39 Products
Shower Hose Restrictors & Washers
Showing products 1 to 39 of 39
Aqualisa Check Valve High Pressure 518121Aqualisa Check Valve High Pressure 518121
Aqualisa Check Valve High Pressure 518121
Armitage Shanks Shower Outlet Flow Regulator 6 Litres Per Minute Chrome L6959AAArmitage Shanks Shower Outlet Flow Regulator 6 Litres Per Minute Chrome L6959AA
Armitage Shanks Shower outlet flow regulator 6 litres per minute Chrome L6959AA
Bathstore OV15 Check Valve  31.4215.00001Bathstore OV15 Check Valve  31.4215.00001
Bathstore OV15 Check Valve 31.4215.00001
Bathstore OV20 DN25 Check Valve 31.4220.00001Bathstore OV20 DN25 Check Valve 31.4220.00001
Bathstore OV20 DN25 Check Valve 31.4220.00001
Bristan Fairfax Non Return Check Valve NRV 08400ABristan Fairfax Non Return Check Valve NRV 08400A
Bristan Fairfax Non Return Check Valve NRV 08400A
Bristan Fairfax Non Return Valve Kit NRV 08400SET1-BL
Bristan Fairfax Non Return Valve Kit NRV 08400SET1-BL
Bristan Fairfax Retaining Nut NUT 04755
DISCONTINUED
Bristan Non Return Check Valve NRV 08400ABristan Non Return Check Valve NRV 08400A
Bristan Non Return Check Valve NRV 08400A
Bristan OPAC Flow Limiter Kit 5 & & Litr SK1500-12Bristan OPAC Flow Limiter Kit 5 & & Litr SK1500-12
Bristan OPAC Flow Limiter Kit 5 & & Litr SK1500-12
Bristan Stratus Flow Limiter Kit 5 & & Litr SK1500-12Bristan Stratus Flow Limiter Kit 5 & & Litr SK1500-12
Bristan Stratus Flow Limiter Kit 5 & & Litr SK1500-12
Bristan TMV3 Flow Limiter Kit 5 & & Litr SK1500-12Bristan TMV3 Flow Limiter Kit 5 & & Litr SK1500-12
Bristan TMV3 Flow Limiter Kit 5 & & Litr SK1500-12
BSP 9ltr Regulator For Shower Hoses BSP9LRTBSP 9ltr Regulator For Shower Hoses BSP9LRT
BSP 9ltr Regulator For Shower Hoses BSP9LRT
Dornbracht 1/2" BSP 10mm Bore Shower Hose Washer SHW010
Dornbracht 1/2" BSP 10mm Bore Shower Hose Washer SHW010
Dornbracht 1/2" BSP Filter Packing  Washer 09230103990Dornbracht 1/2" BSP Filter Packing  Washer 09230103990
Dornbracht 1/2" BSP Filter Packing Washer 09230103990
Dornbracht 1/2" BSP 12mm Bore Shower Hose Washer SHW020Dornbracht 1/2" BSP 12mm Bore Shower Hose Washer SHW020
Dornbracht 1/2" BSP 12mm Bore Shower Hose Washer SHW020
Gummers Sirrus Genuine Flow Limiter Kit 5 & & Litr SK1500-12Gummers Sirrus Genuine Flow Limiter Kit 5 & & Litr SK1500-12
Gummers Sirrus Genuine Flow Limiter Kit 5 & & Litr SK1500-12
Hansgrohe 1/2" BSP Filter Packing 94246000Hansgrohe 1/2" BSP Filter Packing 94246000
Hansgrohe 1/2" BSP Filter Packing 94246000
Ideal Standard Melange Non Return Valve Ov15 A860415NUIdeal Standard Melange Non Return Valve Ov15 A860415NU
Ideal Standard Melange Non Return Valve Ov15 A860415NU
Mira Rada UBX Check Valve 147.48Mira Rada UBX Check Valve 147.48
Mira Rada UBX Check Valve 147.48
Neoperl  PCR-E   8ltr Regulator For Shower Hoses A5.2221.00001Neoperl  PCR-E   8ltr Regulator For Shower Hoses A5.2221.00001

Neoperl PCR-E 8ltr Regulator For Shower Hoses A5.2221.00001

Neoperl OF15 Check Valve  31.0006.00001Neoperl OF15 Check Valve  31.0006.00001
Neoperl OF15 Check Valve 31.0006.00001
Neoperl OV15 Check Valve  31.4215.00001Neoperl OV15 Check Valve  31.4215.00001
Neoperl OV15 Check Valve 31.4215.00001
Neoperl OV20 DN25 Check Valve 31.4220.00001Neoperl OV20 DN25 Check Valve 31.4220.00001
Neoperl OV20 DN25 Check Valve 31.4220.00001
Pack Of 10 Shower Hose Washers 1/2" BSP 12mm Bore  SHW020x10Pack Of 10 Shower Hose Washers 1/2" BSP 12mm Bore  SHW020x10
Pack Of 10 Shower Hose Washers 1/2" BSP 12mm Bore  SHW020x10
Pack Of 10 Shower Hose Washers 1/2" BSP 12mm Bore SHW015x10
Pack Of 10 Shower Hose Washers 1/2" BSP 12mm Bore SHW015x10
Porcelanosa Basic Thermostat Filter 100060455Porcelanosa Basic Thermostat Filter 100060455
Porcelanosa Basic Thermostat Filter 100060455
Porcelanosa Future Thermostat Filter 100060455Porcelanosa Future Thermostat Filter 100060455
Porcelanosa Future Thermostat Filter 100060455
Porcelanosa Lounge Thermostat Filter 100060455Porcelanosa Lounge Thermostat Filter 100060455
Porcelanosa Lounge Thermostat Filter 100060455
Porcelanosa NK Logic Thermostat Filter 100060455Porcelanosa NK Logic Thermostat Filter 100060455
Porcelanosa NK Logic Thermostat Filter 100060455
Porcelanosa Urban Thermostat Filter 100060455Porcelanosa Urban Thermostat Filter 100060455
Porcelanosa Urban Thermostat Filter 100060455
Shower Hose Washer 1/2" BSP 12mm Bore  SHW020Shower Hose Washer 1/2" BSP 12mm Bore  SHW020
Shower Hose Washer 1/2" BSP 12mm Bore  SHW020
Shower Hose Washer 1/2"BSP 12mm Bore SHW015
Shower Hose Washer 1/2"BSP 12mm Bore SHW015
Sottini Non Return Valve Ov15 A860415NUSottini Non Return Valve Ov15 A860415NU
Sottini Non Return Valve Ov15 A860415NU
Sottini Rosita Non Return Valve Ov15 A860415NUSottini Rosita Non Return Valve Ov15 A860415NU
Sottini Rosita Non Return Valve Ov15 A860415NU
Trevi Boost Non Return Valve Ov15 A860415NUTrevi Boost Non Return Valve Ov15 A860415NU
Trevi Boost Non Return Valve Ov15 A860415NU
Vado 9LTR REGULATOR FOR SHOWER Hoses FR-SHOWER/9-A/G Finish: Antique Gold
Vado 9LTR REGULATOR FOR SHOWER Hoses FFR-SHOWER/9-A/G
Vado 9ltr Regulator For Shower Hoses FR-SHOWER/9-C/PVado 9ltr Regulator For Shower Hoses FR-SHOWER/9-C/P
Vado 9ltr Regulator For Shower Hoses FR-SHOWER/9-C/P
Vado 9LTR Shower Hose Regulator: 9-A/G GOLD
Vado 9LTR Shower Hose Regulator: 9-A/G GOLD
Vado Non Return Valve CEL-003A-NONRETURNVado Non Return Valve CEL-003A-NONRETURN
Vado Non Return Valve CEL-003A-NONRETURN

SHOWER HOSE WASHERS | BUYING GUIDE

What Hose Washers and Restrictors Do

A shower hose has a threaded brass or plastic connector at each end, one fitting the valve outlet and the other fitting the handset. Inside each connector sit two small parts: the washer and (sometimes) a flow restrictor.

The washer is a flat or O-shaped rubber ring that compresses when the connector is tightened, sealing the threaded joint against water pressure. Without it, water leaks past the threads even when the hose is screwed up tight. Washers perish over time, particularly in hard-water areas, and replacement is the standard fix for a leak at the joint.

The flow restrictor is a separate small plastic insert (often a star or cross shape) that sits inside the same connector. It reduces the bore through the connector and slows the flow rate to the handset. Some installations want the restrictor (low-flow regulations, reduced pressure on a small water heater); others remove it for stronger spray.

Identifying the Right Washer

Most UK shower hoses use 1/2 inch BSP threads at both ends, with a flat or conical washer matching the connector profile. Standard washers are widely available and fit Aqualisa, Bristan, Triton, Ideal Standard and most generic UK shower hoses.

Mira hoses use brand-specific washers that differ slightly in diameter and thickness. If you have a Mira shower, order Mira-specific washers rather than generic. Mira washer kits include the right size for both the valve end and the handset end, since the two ends sometimes use different washer profiles within the same hose.

For older or imported hoses, take the existing washer with you when ordering or compare it visually to the replacement before fitting. Replacement hoses across all UK bore sizes are listed in our shower hoses range, thread mismatches that a washer alone will not solve are covered by adapters in our shower hose connectors range, and brand-specific kits are catalogued in our manufacturer directory.

When to Replace a Washer Versus the Whole Hose

Leak at the connection point only, with the hose itself in good condition. Replace the washer. Cost: pence. Time: two minutes.

Leak along the length of the hose or at multiple connection points. The hose has failed internally and a new hose is the right fix, with valve and handset parts often replaced alongside grouped together in our shower spares catalogue.

Reduced flow with no visible leak. The flow restrictor may be blocked with limescale. Remove the restrictor, clean it in vinegar or descaler, and refit. Replace if the plastic has degraded.

Not Sure Which Washer or Restrictor You Need?

Tell us the brand of your shower and the symptom (leak, low flow). For a Mira shower, mention the model. We will confirm the right washer or restrictor pack.

Email Us For Help

Frequently Asked Questions About Shower Hose Washers

What is the difference between a hose washer and a flow restrictor?

A hose washer is a flat or O-shaped rubber seal that sits inside the connector at each end of a shower hose. It compresses against the valve outlet or handset to stop water leaking past the joint. A flow restrictor is a small plastic insert (often a star or cross shape) that fits inside the same connector but reduces the bore, slowing the flow rate through the hose. They sit in the same place but do different jobs.

Why does my shower leak at the connection point?

The hose washer has perished, hardened or torn. It is the single most common cause of a leak at the joint between hose and valve, or hose and handset. Replacement washers cost pence and stop the leak in most cases. Replace the washer first before assuming the hose itself has failed and a full shower hose replacement is needed.

Are Mira shower washers different to standard UK washers?

Yes, often. Mira hoses use brand-specific washers that are slightly different in diameter and thickness from the generic 1/2 inch BSP standard. A standard UK washer will sometimes fit a Mira hose well enough to seal, but Mira-specific washers are a more reliable match. Order Mira washers when replacing washers on a Mira shower; standard UK washers for everything else.

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