Pressure Washer Adapters and Couplers

A range of couplers and adapters to help you connect together your hoses, lances, flat surface cleaners and washers. M22, 1/4" and 3/8" are threaded connection sizes, while quick release (QR) adapters come in 1/4" and 3/8" sizes. Please check adapters are rated for the pressure, flow and temperature you need them for

Sub Categories

1/4" Quick Release Couplers (AR1 / 11.7mm plug)

Male and Female ended AR1 Quick Release couplers - 11.7mm diameter plug. Used most often for quick changing between nozzles of all types. 1/4" Quick Release Male ends also often used on smaller whirlaways / flat surface cleaners, where the lance can be plugged in.

View 1/4" Quick Release Couplers (AR1 / 11.7mm plug)

3/8" Quick Release Couplers (AR2 / 15mm plug)

3/8" Quick Release couplers have a 15mm diameter plug and are compatible with AR2 and ARS250 quick release couplers. Used for quickly swtiching between lances and whirlaways and quickly unplugging at the end of the job. Maximum pressure is 275 Bar / 3990 Psi.

View 3/8" Quick Release Couplers (AR2 / 15mm plug)

AR31, ARS220 & ARS350 Quick Release Couplers (19.9mm plug)

AR31, ARS220 and ARS350 Quick Release Couplers (19.9mm plug, 12mm internal bore), maximum pressure of 350 Bar / 5075 Psi, 50 litres per minute flow and 70°C max rated temperature.

View AR31, ARS220 & ARS350 Quick Release Couplers (19.9mm plug)

Kew Style Quick Release Couplers

Kew style quick release connectors. Often used on pressure washer guns to change the lance extension quickly.

View Kew Style Quick Release Couplers

1/4" Thread Adaptors

The 1/4" Thread size is common on hose and lance ends, and unloader valve outlets on pressure washers. Our range of 1/4" male and female adapters enable you to connect up otherwise incompatible equipment.

View 1/4" Thread Adaptors

3/8" Thread Adaptors

The 3/8" thread size is common on hose and lance ends, and unloader valve outlets on pressure washers. Our range of 3/8" male and female adapters enable you to connect up otherwise incompatible equipment

View 3/8" Thread Adaptors

M22 Thread Adaptors

The M22 Thread size is common on hose and lance ends, and unloader valve outlets on the pressure washers sold at Lawn and Power

View M22 Thread Adaptors

Brass Garden Hose Couplers

Brass garden hose adapters allow efficient and convenient quick change on our wheel barrow pressure washers between tank and water mains supply. Rated for ~10 bar

View Brass Garden Hose Couplers

Pressure Washer Hose Barbs

Barbs for allowing low pressure hoses to attach to pump inlets and unloader bypasses. Not to be used for high pressure hoses

View Pressure Washer Hose Barbs

Products

Showing 101-125 of 137 items.

3/8" Female QR Coupler to 3/8" BSP Male - Up to 280 bar / 4050 Psi

A 3/8" female quick release coupler with a 3/8" BSPM thread, 250 Bar / 3650 psi rated pressure, 280 bar / 4050 psi permissible pressure, 30 Lpm max flow, 90°C rated temperature, Nickel plated brass and ø15mm plug. Compatible with AR2 / ARS250 adapters.

Our Price: £13.90 excl VAT
Our Price: £16.68 inc VAT

M22 Male to M22 Male - 275 Bar / 4000 Psi - Nickel Plated Brass Coupler

M22x1.5M thread to M22x1.5M thread nickel plated brass adaptor. With a 275 Bar / 4000 psi max pressure.

Our Price: £13.96 excl VAT
Our Price: £16.75 inc VAT

ARS178L 3/8" BSP Female to 17.8mm Male QR coupler - Stainless Steel

3/8" BSP Female thread, 125 Bar rated pressure, 50 Lpm max flow, 90°C rated temperature, Stainless steel construction, ø17.8mm plug - ø12mm internal bore

Our Price: £14.00 excl VAT
Our Price: £16.80 inc VAT

1/4" BSP Female to Nilfisk Gerni Brass Bayonet Coupling

1/4" BSP Female to Nilfisk Gerni brass bayonet coupling. Suitable for pressures of up to 140 bar / 2030 psi.

Our Price: £14.29 excl VAT
Our Price: £17.15 inc VAT

1/4" F to Karcher K Series Thermoplastic Bayonet Coupling

Our Price: £14.38 excl VAT
Our Price: £17.26 inc VAT

1/2" BSP Male to 3/8" BSP Female 600 Bar / 8700 Psi Stainless Steel Adaptor

A high pressure stainless steel adaptor with a 1/2" BSP male thread to 3/8" BSP female thread. Maximum pressure 600 Bar / 8700 Psi

Our Price: £14.69 excl VAT
Our Price: £17.63 inc VAT

Kew Style Female QR Connector - 1/4" BSP Male - 360 Bar / 5220 Psi

Female Kew style quick release connector with a 1/4 inch BSP male thread. Has a rated pressure of 360 Bar / 5220psi and a maximum flow rate of 45Lpm. 150°C rated temperature. Often used on pressure washer guns to change the lance extension quickly.

Our Price: £14.91 excl VAT
Our Price: £17.89 inc VAT

AR31 Female QR Coupler to 3/8" BSP Female - 280 Bar / 4060 Psi - Chrome Plated Brass

AR31 female quick release coupler, 3/8" BSPF. Has a 280 Bar / 4060psi maximum pressure, 310 Bar / 4500 psi permissible pressure and ø19.9mm plug. For use with AR31, ARS220/350 adaptors.

Our Price: £14.99 excl VAT
Our Price: £17.99 inc VAT

M22 Male to 1/4" BSP Female 275 Bar / 3990 Psi - Nickel Plated Brass Coupler

M22 Adaptor 1/4"BSPF to M22 x1.5M thread 275 Bar / 3990 Psi - Nickel Plated Brass Coupler. Part code 52.222

Our Price: £15.05 excl VAT
Our Price: £18.06 inc VAT

M22 Male to 1/4" BSP Male 275 Bar / 3990 Psi - Nickel Plated Brass Coupler

M22 x 1.5M thread To 1/4" BSPM 275 bar and nickel-plated brass. Part Code 52.221

Our Price: £15.05 excl VAT
Our Price: £18.06 inc VAT

M22 Male to Lavorwash Thermoplastic Bayonet Coupling

M22M to Lavorwash Thermoplastic Bayonet Coupling - M22M fits Karcher HDS series, Nilfisk Industrial series, etc

Our Price: £15.16 excl VAT
Our Price: £18.19 inc VAT

ARS350 Male Quick Release to 3/8" BSP Male - 350 Bar / 5076 Psi - Stainless Steel Coupler

ARS350 male quick release adaptor, with 3/8" BSP male thread. 350 Bar / 5076psi max rated pressure. 50 Lpm max flow. Compatible w/ ARS220/350 & AR31 couplers. ø19.9mm plug - ø12mm internal bore.

Our Price: £15.32 excl VAT
Our Price: £18.38 inc VAT

1/4" F to Karcher K Series Brass Bayonet Coupling

Our Price: £15.72 excl VAT
Our Price: £18.86 inc VAT

1/4" BSP Male to 1/4" BSP Female 400 Bar Stainless Steel Swivel Adaptor - AISI 316

A 1/4in BSP Male to 1/4in BSP Female stainless steel swivel adaptor with a 400 Bar / 5800 Psi working pressure.

Our Price: £16.17 excl VAT
Our Price: £19.40 inc VAT

Karcher K Series to 1/4" BSP Female Thermoplastic Bayonet Coupling

Our Price: £16.46 excl VAT
Our Price: £19.75 inc VAT

M22 Male to 3/8" BSP Female - 275 Bar / 3625 Psi - Nickel Plated Brass Coupler

M22 male adaptor. 3/8" BSPF to M22x1.5M thread 275 bar. Part code 52.224

Our Price: £16.55 excl VAT
Our Price: £19.86 inc VAT

Stainless Steel Hose Barb - 13mm - 1/2" BSP Male

Stainless Steel Hose Barb - 13mm to 1/2" BSP Male, 40 bar Max Pressure, 100°C max temperature

Our Price: £16.84 excl VAT
Our Price: £20.21 inc VAT

3/8" Female QR Coupler to 1/4" Female - Up to 280 Bar / 4050 Psi - Nickel Plated Brass

A 3/8" female quick release coupler with a 1/4" BSPF thread, 250 Bar / 3650 psi rated pressure, 280 bar / 4050 psi permissible pressure, 30 Lpm max flow, 90°C rated temperature, Nickel plated brass , ø15mm plug. Compatible with AR2 / ARS250 adapters.

Our Price: £17.88 excl VAT
Our Price: £21.46 inc VAT

770mm 3/8" BSP Female to 3/8" BSP Female 400 Bar / 5800 Psi High Pressure Hose Connector

3/8" High Pressure Hose Connector - 770mm 2 wire rubber hose with 1x 3/8" BSP Female thread 90° port and a 1x 3/8"BSP Female thread straight port. 400 Bar / 5800psi rated pressure.

Our Price: £18.51 excl VAT
Our Price: £22.21 inc VAT

M22 Male to 3/8" BSP Female 500 Bar / 7250 Psi - Stainless Steel Coupler

M22 Male to 3/8" BSP Female 500 Bar / 7250 Psi - Stainless Steel Coupler. Part code 51.224

Our Price: £18.69 excl VAT
Our Price: £22.43 inc VAT

500mm 2-Wire 3/8" BSP Female to 3/8" BSP Female 400 Bar / 5800 Psi Connecting Hose

3/8" High Pressure Hose Connector - 500mm 2-wire rubber hose with 1x 3/8" BSP Female thread 90° port and a 1x 3/8"BSP Female thread straight port. 400 Bar / 5800psi rated pressure.

Our Price: £18.97 excl VAT
Our Price: £22.76 inc VAT

1/4" BSP Male to 3/8" BSP Female 400 Bar Stainless Steel Swivel Adaptor - AISI 316

A 1/4in BSP Male x 3/8in BSP Female stainless steel swivel adaptor with a 400 bar working pressure.

Our Price: £20.05 excl VAT
Our Price: £24.06 inc VAT

3/8" BSP Male to 1/4" BSP Female 400 Bar / 5800 Psi - Stainless Steel Swivel Adaptor

A 3/8in BSP Male to 1/4in BSP Female stainless steel swivel adaptor with a 400 bar working pressure.

Our Price: £20.05 excl VAT
Our Price: £24.06 inc VAT

3/8" BSP Male to 3/8" BSP Female 400 Bar / 5800 Psi - Stainless Steel Swivel Adaptor

A 3/8in BSP Male x 3/8in BSP Female stainless steel swivel adaptor with a 400 bar working pressure.

Our Price: £20.55 excl VAT
Our Price: £24.66 inc VAT

ARS220 Female Quick Release Adaptor to 3/8" BSP Female Thread - Nickel Plated Brass Body

ARS220 female quick release (QR) coupler with a 3/8"BSPF thread, capable of up to 220 Bar / 3190.83 PSI and a maximum flow of 50 litres per minute. Has a ø19.9mm plug, ø12mm internal bore and has a nickel plated brass body.

Our Price: £23.30 excl VAT
Our Price: £27.96 inc VAT

Showing 101-125 of 137 items.