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Home Expansion Valves
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Top-rated
See all
Vaillant Service Valve Handle - Pack of 2
(70)
97%
agree - Would recommend
£4.35 New
Glowworm 0020014173 Pressure Relief Valve
(46)
100%
agree - Would recommend
£11.00 New
£10.24 Used
Range TS202 Multi-color Storage Tank Water Heater
(23)
100%
agree - Would recommend
£17.97 New
Vaillant Pressure Relief Valve 190717 Hsba3311
(13)
100%
agree - Would recommend
£8.99 New
A+++
D
A+++
Ideal Pressure Relief Valve Kit - Gold (175413)
(11)
100%
agree - Would recommend
£10.20 New
£8.31 Used
A+++
E
A+++
Worcester 87161423000 Pressure Gauge 4 Bar Dark Grey D3
(9)
100%
agree - Would recommend
£25.00 New
£10.78 Used
Energy Rating A
Worcester Bosch Pressure Relief Valve - Gold (87161424040)
(24)
88%
agree - Would recommend
£9.69 New
£6.59 Used
Energy Rating A+++
Alpha C23 & C27 Boiler 3 Bar Pressure Relief Safety Valve PRV 1.011126
(16)
100%
agree - Would recommend
£9.45 New
A+++
E
A+++
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Heating & Cooling: Parts & Accessories
Expansion Valves
Best selling
See all
Vaillant Service Valve Handle - Pack of 2
(70)
£4.35 New
Alpha 1.028643 Pressure Relief Valve 3 Bar
(5)
£12.99 New
Worcester Bosch Pressure Relief Valve - Gold (87161424040)
(24)
£9.69 New
£6.59 Used
Energy Rating A+++
Danfoss Ras-d2 Combi 013g6019 10/15mm White and Chrome Plated TRV & Straight
£27.49 New
Alpha C23 & C27 Boiler 3 Bar Pressure Relief Safety Valve PRV 1.011126
(16)
£9.45 New
A+++
E
A+++
Honeywell V4043H1106/U 28mm Motorised Zone Valve
(6)
Biasi Riva Advance M110b 24sr/c Pressure Relief Valve BI1181100
(4)
£9.45 New
A+++
E
A+++
Caleffi 535050 Pressure Reducing Valve Cartridge Dn20 3/4" UK
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1-6PCS TRV Radiator Thermostatic Heads Heater Control Heating Valve Tools
Brand new
·
Unbranded
£5.49
to
£10.99
Free postage
WATER UNDERFLOOR HEATING MANIFOLDS 1 to 8 PORTS A RATED GRUNDFOS WILO PUMP PACK
Lockdown 3: Open as Normal Next working Day Delivery.
Brand new
£18.45
to
£447.60
Free postage
Est. delivery
Thu, Aug 14
WATER UNDERFLOOR HEATING KIT FROM 21m² WET UFH WITH CONTROLS GRUNDFOS PUMP PACK
Lockdown 3: Open as Normal Next working Day Delivery.
Brand new
£20.29
to
£1,075.25
Free postage
Est. delivery
Thu, Aug 14
Metal Spiral Air Duct - 1.15m Length / Galvanised Steel Rigid Pipe Vent Tube
Brand new
£12.99
to
£14.99
£3.69 P&P
59 sold
Ariston Kit A 406801 2 Litre Expansion Vessel & Non-Return Valve Alternative
Brand new
£23.99
Free postage
Est. delivery
Thu, Aug 14
66 sold
Lockshield 15mm Angle Radiator Valve 15MM x 3/4" Nut
Brand new
·
Unbranded
£7.98
Free postage
67 sold
Grant Boiler MPCBS124 Pressure Relief Valve 3 Bar - Replaces MPCBS50
Brand new
£24.84
Free postage
Only 3 left
Warmflow Boiler Pressure Relief Valve 2132
Brand new
(3)
£27.94
Free postage
319 sold
Heatrae Sadia Megaflo/Megaflow 3 Bar Pressure Reducing Valve - 95605886
Brand new
·
Heatrae Sadia
(5)
£45.00
Free postage
Est. delivery
Thu, Aug 14
108 sold
Heatrae Sadia Megaflo Temperature & Pressure Relief Valve Service Key Tool
Brand new
·
Unbranded
£5.98
Free postage
Reliance Water Controls 6 Bar 3/4" Core Unit Pressure Relief Expansion Valve
Brand new
(2)
£49.99
Free postage
Est. delivery
Thu, Aug 14
83 sold
Vaillant Boiler Genuine Part 0020010292 Service Valve Handle 2PK (20010292) NEW
Brand new
·
Vaillant
(70)
£13.99
Free postage
Range 7 Bar Pressure & Temperature Relief Valve TS202
Brand new
·
Range
(23)
£19.99
Free postage
Est. delivery
Thu, Aug 14
Danfoss Expansion Valve R448A/R449A Internally Equalized T2 068Z3727 Singal Flow
Brand new
·
Danfoss
£78.68
£3.38 P&P
Metal Spiral Air Duct - 300mm Length / Galvanised Steel Rigid Pipe Vent Tube
Brand new
£9.49
to
£10.19
£3.69 P&P
12 watching
GLOWWORM FLEXICOM 24CX 30CX 35CX BOILER COLD WATER INLET HANDLE
Brand new
£6.95
Free postage
209 sold
Ibc Container Connection Set for 3 1000L Water Tanks 1" Pump Connection #1013S+P
Brand new
£49.96
£11.22 P&P
2 Port 22mm or 28mm Motorised Zone Valve Head Original Honeywell V4043H1056
Pre-owned
£14.00
Free postage
Est. delivery
Thu, Aug 14
Only 1 left.
(PACK OF 2) VAILLANT ECOTEC PLUS 824 831 837 SERVICE VALVE HANDLE 0020010292
Brand new
·
Vaillant
(70)
£6.95
Free postage
Only 3 left
Salus PMV28 Standard 2 Port Motorised 28mm Valve for Central Heating & Hot Water
Brand new
·
Salus
£52.90
Free postage
~6Pcs Pressure Relief Valve Backpack Sprayer Safety Release Valve AS
Brand new
·
Unbranded
£4.48
to
£7.82
Free postage
2x Pressure Relief Release Valve Replacement For 3L 5L 8L Backpack Type Sprayer
Brand new
·
Unbranded
£4.39
Free postage
70 sold
Copperform 7 Bar 1/2" Pressure & Temperature Relief Valve TS202
Brand new
£20.99
Free postage
Est. delivery
Thu, Aug 14
Central Heating 2 port 22mm Zone Valve TCV Replacement for Honeywell V4043H1056
Brand new
(1)
£35.95
Free postage
Reliance Water TPR28 7 Bar Temperature & Pressure Relief Valve PTEM100050
Brand new
·
Reliance Water Controls
£233.99
Free postage
Est. delivery
Thu, Aug 14
Ariston Kit A 406801 2 Litre Expansion Vessel & Non-Return Valve Alternative
Brand new
£25.99
Free postage
Est. delivery
Thu, Aug 14
New listing
Thermostatic Mixing Blending Valve Hot and Cold Water Regulation
Brand new
£42.28
or Best Offer
£2.94 P&P
ZILMET 12 Litre OEM Round Flat Expansion Vessel 541/L - Z1-306012
Brand new
·
Zilmet
(1)
£65.50
Free postage
Danfoss RAS-D2 TRV Combi Sensor Set White Sensor Chrome Straight, 10/15 mm
Brand new
·
Danfoss
£27.49
(£27.49/Unit)
Free postage
1set SANHUA SEC611-R4 Electronic Expansion Valve Controller+sensor Voltage type
Brand new
£180.61
£10.00 P&P
RANGE TRIBUNE HE CYLINDER 6BAR PUSH FIT PRESSURE RELIEF VALVE TS4 BRAND NEW
Brand new
£23.99
Free postage
Est. delivery
Thu, Aug 14
226 sold
Baxi Main Potterton 3 Bar Pressure Relief Valve Prv 248056 5116238
Pre-owned
£7.39
Free postage
Only 2 left
VAILLANT ECOTEC PLUS VUW 824 & 831 SERVICE VALVE ASSEMBLY KIT 178772 0020005549
Pre-owned
·
Vaillant
£79.98
or Best Offer
Free postage
Est. delivery
Wed, Aug 13
Only 1 left.
Kingspan - Flowmaster Temperature & Pressure Relief Valve 7 Bar 90°C TS202
Brand new
£22.97
Was:
£23.61
was - £23.61
Free postage
Reliance Water Controls PTEM100050 7 Bar 1" MBSP x 28mm Pressure and Temperature
Brand new
·
Reliance
£189.99
Free postage
Est. delivery
Thu, Aug 14
Air Compressor Pressure Relief Backpack Sprayer Release Valve Fits For 3L/5L/8L
Brand new
·
Unbranded
£1.94
or Best Offer
£2.82 P&P
GENUINE GLOWWORM 0020047005 0020014173 PRESSURE RELIEF VALVE
Brand new
·
Glow-Worm
(46)
£11.00
Free postage
New Caleffi 22mm Pressure Reducing Valve (3 Bar) with Gauge 533851 Genuine*
Brand new
£39.99
Free postage
Est. delivery
Thu, Aug 14
Only 1 left.
1 Pc. New CAREL E2V18BSF00 Electronic Expansion Valve
Brand new
£195.85
or Best Offer
Free postage
2x Pressure Relief Release Valve Replacement For 3L 5L 8L Backpack Type Sprayer
Brand new
·
Unbranded
£4.89
Free postage
HONEYWELL GAS SOLENOID VALVE FOR 24V BOILER GAS VALVES BRAND NEW
Brand new
·
Honeywell
£821.00
Free postage
Est. delivery
Thu, Aug 14
Heatrae Sadia 95605869/95605021 Combination Multibloc (No Pressure Relief Valve)
Brand new
£84.00
Free postage
Est. delivery
Thu, Aug 14
584 sold
15mm Thermostatic Corner Radiator Valve TRV + Lockshield Full Chrome Towel Angle
Brand new
·
Unbranded
£1.99
to
£27.99
Free postage
47 sold
Glowworm Betacom 24C 30C Pressure Relief Safety Valve PRV 0020061610
Brand new
£7.04
or Best Offer
Free postage
EXPANSION VESSEL SEALED SYSTEM KIT INC BRACKET FILLING LOOP PRESSURE VALVE ERES
Brand new
·
Unbranded
£35.95
Free postage
Potterton Profile 40/50/60/80 830 0830010 Tandem Gas Valve
Brand new
£245.00
(£245.00/Unit)
or Best Offer
Free postage
Reliance Water Controls 6 Bar 3/4" Core Unit Pressure Relief Valve CORE215002
Brand new
·
Reliance
£52.99
Free postage
Est. delivery
Thu, Aug 14
COMBI BOILER HEATING PART L COMPLIANT STRAIGHT FILLING LOOP LEVER CHECK VALVE em
Brand new
·
Unbranded
£11.49
Free postage
51 sold
Gardening Sprayer Pressure Pressure Relief Valve Safety Release Valves 3L/5L/8L
Brand new
·
Unbranded
£5.21
Free postage
Alpha Pressure Relief Safety Valve 1.023565
Brand new
·
Alpha
(5)
£13.95
Free postage
Alpha HE Range CB25 CB33 & SY25 Boiler Pressure Relief Safety Valve PRV 1.011126
Brand new
(16)
£15.45
Free postage
Est. delivery
Thu, Aug 14
Range Tribune Temperature & Pressure Relief Valve 7 Bar 90 Degree
Brand new
·
Range
(23)
£25.75
Free postage
Est. delivery
Thu, Aug 14
425 sold
Honeywell V4043H1106/U 28mm 2 Port Zone Valve
Brand new
·
Honeywell
(6)
£89.95
Free postage
Est. delivery
Thu, Aug 14
14 Various Lockshield 15mm Angled 7 Lockshields & 7 with Drain Plugs Brand New
Brand new
·
Unbranded
£47.48
or Best Offer
£3.38 P&P
Vaillant Remote Pressure Relief Valve PRV Kit 0020094185 *Free Delivery*
Brand new
·
Vaillant
£17.15
Free postage
Only 1 left.
Alpha CD Range 25C 28C Extra & 35C Boiler Pressure Relief Safety Valve
Brand new
·
Alpha
(5)
£13.85
Free postage
New listing
Radiator Thermostat Adapter Thermostat Adapter Radiator Accessories for Ra Valve
Brand new
·
Unbranded
£5.56
or Best Offer
Free postage
Honeywell V4043H1056 2 Port 22mm/28mm Motorised Zone Valve Head ONLY Original
Pre-owned
·
Honeywell
£28.76
£3.38 P&P
BAXI COMBI 80E & 105E 105HE 80ECO DHW PRESSURE DIFFERENTIAL VALVE 248061 NEW OEM
Brand new
·
Unbranded
£55.00
Free postage
Est. delivery
Thu, Aug 14
127 sold
5 Bar Core Unit Pressure Relief Expansion Manifold Valve
Brand new
£51.47
Free postage
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