Uncomplicated Quality and Value
Copper Cylinder Manufacturers

Powerflow 2000 Unvented Cylinder
Thermflow Thermal Store
Heat Pump Cylinders
Open Vented Hot Water Cylinders
Wet Electric System - Electraflow
Calorifiers
Plateflow Hot Water Cylinder
Renewable How Water Cylinders
Timesaver Plumbing Unit
Fastheat
Backboilers
Spares for Hot Water Cylinders

Hot Water Cylinders Helpline from McDonald Engineers

Hot Water Cylinder Standards from McDonald Engineers

 

Hot Water Cylinder Spares

McDonald Engineers maintain their superior standards of quality and performance by only using the best component parts for their hot water cylinders. To ensure that your system continues to operate efficiently we only recommend using genuine McDonald Engineers replacement parts.

And as part of our ongoing commitment to customer service we carry an extensive stock of spare parts ready for immediate despatch.

To place your order simply select from the range below or download our Hot Water Cylinder Spares List and call us 01592 611123. We can accept most credit or debit card payments.

Powerflow 2000
Powerflow (Pre 2000 models)
Expansion Vessels
Thermflow
Timesaver
Calorifiers
Miscellaneous



POWERflow 2000

(Click on the thumbnails for a larger image)

WUEMZV
WUEMZV

22MM MOTORISED
ZONE VALVE

£60.00 +VAT

WUEMZV28
WUEMZV28

28MM MOTORISED
ZONE VALVE

£75.00 +VAT

WUEIH30
WUEIH30

30" IMMERSION CUT OUT & STAT

£50.00 +VAT

WUEIH
WUEIH

11" IMMERSION CUT OUT & STAT

£40.00 +VAT

WUEDAC
WUEDAC

DUAL THERMOSTAT CONTROLLER

£65.00 +VAT

WUVPR
WUVPR

22MM PRESSURE REDUCER 2.1 BAR

£70.00 +VAT

WUVPRC
WUVPRC

3/4" PRESSURE REDUCER 1.5 BAR

£70.00 +VAT

WUVPR1
WUVPR1

28MM PRESSURE REDUCER ADJUSTABLE

£90.00 +VAT

WUCWCP3
WUCWCP3

COLD WATER CTROL PACK 3 1 1/4"

£220.00 +VAT

WUCWCP4
WUCWCP4

1 1/2" PRV, GAUGE CHECK VALVE

£250.00 +VAT

WUCWCP5
WUCWCP5

2" PRV & 2" CHECK VALVE

£440.00 +VAT

WUVC
WUVC

22 X 3/4" MI TAPER CHECK VALVE

£15.00 +VAT

WUVC1
WUVC1

28MM SINGLE CHECK VALVE

£25.00 +VAT

WUVTP
WUVTP

15MM T&P RELIEF VALVE 4.5 BAR

£40.00 +VAT

WUVTP7
WUVTP7

15MM T&P RELIEF VALVE 7 BAR

£40.00 +VAT

WSUVTP22
WSUVTP22

22MM T&P RELIEF VALVE 4.5 BAR

£45.00 +VAT

WSUVTP722
WUVTP722

22MM T&P RELIEF VALVE 7 BAR

£45.00 +VAT

WUVER
Expansion Relief Valves
WUVER

1/2" X 15MM - 3.5 BAR

£30.00 +VAT

WUVER322
3/4" X 22MM - 3.5 BAR

£30.00 +VAT

WUVER5
1/2" X 15MM - 5 BAR

£30.00 +VAT

WUVER522
3/4" X 22MM - 5 BAR

£30.00 +VAT

WUTUND
WUTUND

15 X 22MM TUNDISH STRAIGHT

£17.50 +VAT

WUTUND1
WUTUND1

22 X 28MM COMP. TUNDISH

£25.00 +VAT

WUFK
WUFK

EXPANSION VESSEL FIXING KIT

£25.00 +VAT

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Pre-2000 POWERflow Model


WSUVER
WSUVER

3/4" CHECK & EXP VALVE 3.5B

£40.00 +VAT

WSUPRV
WSUPRV

PRV + BAL COLD@ 2.1B + STRAINER

£70.00 +VAT

 
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Expansion Vessels

Expansion Vessels
WU8EV

8 LITRE EXPANSION VESSEL

£50.00 +VAT

£50.00 +VAT

£65.00 +VAT

Expansion Vessels
WU18EV

18 LITRE EXPANSION VESSEL

£65.00 +VAT

Expansion Vessels
WU25EV

25 LITRE EXPANSION VESSEL

£80.00 +VAT

Expansion Vessels
WU40EV

40 LITRE EXPANSION VESSEL

£95.00 +VAT

Expansion Vessels
WU60EV

60 LITRE EXPANSION VESSEL

£140.00 +VAT

Expansion Vessels
WU100EV

100 LITRE EXPANSION VESSEL

£250.00 +VAT

Expansion Vessels
WU200EV

200 LITRE EXPANSION VESSEL

£400.00 +VAT

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THERMflow

WTTMV
WTTMV

THERMOSTATIC MIXING VALVE 22MM

£67.50 +VAT

WTCV
WTCV

22MM CHECK VALVE

£25.00 +VAT

WTYS
WTYS

22MM Y STRAINER COMP X MALE

£25.00 +VAT

WIHLWD
WIHLWD

16" INCOLOY 3KW IMMERSION LWD

£50.00 +VAT

WP15BVJ
WP15BVJ

15MM JETSEAL BALLVALVE

£22.50 +VAT

WP15BVJL
WP15BVJL

15MM JETSEAL B/V LONG TAIL

£25.00 +VAT

WPF4C
WPF4C

4.5" COPPER FLOAT

£15.00 +VAT

WTHERM
WTHERM

2" THERMOMETER

£22.50 +VAT

WTCT
WTCT

IM - TC2 CYLINDER THERMOSTAT

£50.00 +VAT

WTPROG
WTPROG

DANFOSS FP715 PROGRAMMER

£70.00 +VAT

WTWC
WTWC

ACL WIRING CENTRE LCW1

£30.00 +VAT

WTP
WTP

GRUNDFOS UPS 25-60 PUMP

£90.00 +VAT

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TIMEsaver


WATER TANK
WPUT

DIRECT POLYTANK

£220.00 +VAT

WATER TANK
WPUTI

INDIRECT POLYTANK

£260.00 +VAT

WPUTJ
WPUTJ

COLD WATER TANK JACKET

£25.00 +VAT

WP15BVJ
WP15BVJ

15MM JETSEAL BALLVALVE

£22.50 +VAT

WPPNH
WPPNH

MONSOON NEG 1.5 BAR TWIN PUMP

£625.00 +VAT

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CALORIFIERS


WCTG
WCTG

100MM DIAL TEMP.
GAUGE 0-120ºC

£50.00 +VAT

WCPG
WCPG

100MM DIAL PRESSURE GAUGE 0 - 7BAR

£35.00 +VAT

WUAVV1
WUAVV1

1" ANTI-VACUUM VALVE

£80.00 +VAT

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MISCELLANEOUS


WPB30
WPB30

BYELAW 30 KIT

£15.00 +VAT

WP15BVJ
WP15BVJ

DESCRIPTION

£22.50 +VAT

WIH
WIH

11" 3KW IMMERSION
AND STAT

£35.00 +VAT

WIH6
WIH6

6KW IMMERSION HEATER & STAT

£165.00 +VAT

WIH9
WIH9

9KW 16" 415V 3 PHASE IMMERSION

£175.00 +VAT

WSTAT7
WSTAT7

7" CONTROL STAT FOR 3KW IH

£15.00 +VAT

WSTATH7
WSTATH7

7" HIGH LIMIT STAT FOR 3KW IH

£20.00 +VAT

WSTAT
WSTAT

11" CONTROL STAT FOR 3KW IH

£15.00 +VAT

WSTATH
WSTATH

11" HIGH LIMIT STAT

£15.00 +VAT