Branch Locator
Spares Finder
Quote List
Our Blog
Log In / Register
Basket
Boilers
Radiators
Heating
Plumbing
Bathrooms, Kitchens & Tiles
Spares
Renewables
Tools
Electrical
Clearance
Offers
The Bathroom Showroom
Free delivery on orders over £75 ex VAT
Earn points with My City Plumbing Rewards
Free click & collect from branches nationwide
Buy now, pay later interest free
Product
Spares
Boiler Spares
Control Valves & Diaphragms
Control Valves & Diaphragms
235 items
Sort by:
Relevance
Filters
Expand All
Type
3-Way Valve
2
3-Port Valve Shuttle
1
3-Way Valve Diaphragm
1
3-Way Valve Spring
1
Assembly Kit
1
Show All
Brand
Alpha
9
Ariston
11
Baxi
59
Biasi
9
Broag Remeha
4
Show All
Pack Quantity
1
1
Price
OK
Please select your collection branch...
Please enter your delivery address...
879821
CPS Z5111137 Domestic Hot Water (DHW) Diaphragm Kit for Potterton Boilers
£12.95
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
533616
CPS 840504 Sanitary Water Service Kit
£60.00
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
437212
Sime 6319625 Diverter Body
£90.00
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
436314
Viessmann 7827932 Valve Insert
£99.60
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
436765
Ideal 179853 Spark Generator Kit
£27.60
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
436593
Ideal 179527 Return Group Kit
£80.40
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
436659
Vaillant 0020231196 Service Valve, CH, EcoFit Pure and Sustain
£56.40
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435987
Alpha 1.032198 14L Flow Regulator Pink
£11.63
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
436118
Alpha 2.011154 Draught Diverter CB28/28 x
£10.55
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
436115
Baxi 720776001 Injector Diam 4.9mm
£17.75
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
436123
Baxi 720775801 Injector Diam 4.6mm
£17.75
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435747
Baxi 720773601 Valve Return Dhw Compact
£28.80
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435763
Baxi 720773801 Valve Flow Dhw Compact
£21.71
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435728
Baxi 720751701 Injector Diam 4.4mm
£17.75
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435332
Baxi 7663535 Dhw Turbine Cartridge Assembly 12L
£87.60
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435418
CPS 5110963 Diaphragm (F)
£87.60
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435520
Ideal Return Valve Pack 175211 DHS1595
£49.20
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435387
Ideal 175212 Flow Valve Pack
£32.40
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435251
Glow-Worm 0020097322 Non-Return Valve
£8.03
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
435042
Baxi 7683969 Kit Diverter Valve Assembly
£145.20
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
434791
Baxi 7213269 Drain Valve
£21.95
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
434910
Baxi S46850 Non Return Valve
£66.00
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
434017
Vaillant EcoTEC Exclusive 832 and 838 Valve 20041893
£43.20
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
433474
Heatline D020113004 Bypass Group
£7.79
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
434037
Glow-Worm 0020097222 Valve For 3Wv
£15.71
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
433631
Heatline D003202760 3Wv Shaft Group
£13.91
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
434088
Kinder B-131320 Manual Valve with M/Switch
£60.00
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
433939
Saunier Duval S1075900 Hydraulic Bloc
£134.40
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
434040
Baxi 7688421 Kit Pcb Combi/ System
£166.80
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
433492
Baxi 5114767 Potterton Hall Effect Sensor DHS2728
£72.00
each, Inc. VAT
Collection
Loading...
Delivery
Loading...
Showing 1—30 items of 235
Show more
Help & Feedback
Chat With Us
Give Us Feedback