Grant has been developing and manufacturing high quality boilers of various designs and features all Grant boilers are guaranteed to work from installation to the removal of the boiler after many years of reliable work Grant boilers have been developed and manufactured for almost 4 decades qand through those 4 decades Grant has provided reliable and unmatched reliability. Our Range of Grant boilers are available at low prices, our range of boilers also include all components and accessories needed to fit the boilers. While checking out our amazing range of Grant boilers why not have a look at our comprehensive list of Boilers & Accessories.
Grant Boilers
Grant RDB neutral code burner 1
£509.74
£424.78
Grant RDB neutral code burner 2
Special Price
£509.74
£424.78
Regular Price
£807.13
Grant RDB neutral code burner 3
Special Price
£639.40
£532.83
Regular Price
£1,012.50
Grant MPSS01 expansion vessel 12ltr
£110.47
£92.06
Grant MPCBS41 micro switch assembly
£29.60
£24.67
Grant TPBS34 thermostat control
£51.41
£42.84
Grant MPCBS22F thermostatic mixing valve and filter
£137.70
£114.75
Grant MPCBS28 pressure relief valve
£42.30
£35.25
Grant MPCBS54E temperature control printed circuit board with sensor
Special Price
£139.92
£116.60
Regular Price
£161.42
Grant MPCBS70 expansion vessel 14ltr
£131.51
£109.59
Grant MPCBS71X flow switch
£58.64
£48.87
Grant MPCBS72 relay
£40.94
£34.12
Grant MPCBS79 expansion vessel hose
£21.02
£17.52
Grant MPSS08 expansion vessel 10ltr
£143.94
£119.95
Grant VBS02 internal condensate tap
£45.68
£38.07
Grant VBS06 expansion vessel 12ltr
£79.86
£66.55
Grant VBS15 combustion door rope gasket
£32.71
£27.26
Grant VBS38 expansion vessel 16litre
£157.70
£131.42
Grant WBS03 baffles
£148.22
£123.52
Grant WBS07 expansion vessel 8litre
£65.88
£54.90
Grant MPCBS21/A 15-plate heat exchanger
£167.04
£139.20
Grant MPCBS53/A 35-plate heat exchanger
£203.81
£169.84
Grant MPCBS20/A diverter valve
£217.70
£181.42
Grant MPCBS33/A diaphragm kit
£64.25
£53.54
Grant MPCBS62/A pressure switch upgrade kit
£67.86
£56.55
Grant MPCBS49X/A single pole low pressure switch
£54.79
£45.66
Grant 20031996 pump R40 bio to B10 mix
£121.93
£101.61
Grant 20030953 pump RDB bio (to B10 mix)
£124.54
£103.78
Grant MPCBS97X printed circuit board only
£152.42
£127.02
Grant MPCBS97 sensor
£62.03
£51.69
Grant MPCBS54X printed circuit board and sensor
£166.14
£138.45
Grant MPCBS26 non-return check valve
£22.44
£18.70
Grant MPCBS27 expansion vessel 10ltr
£66.70
£55.58
Grant MPCBS29 automatic air vent
£18.38
£15.32
Grant MPCBS30 filling loop kit with valves
£55.37
£46.14
Grant Yellow System EZ90B standard flue kit (includes stainless steel terminal guard) 12-26kW Black
Special Price
£257.46
£214.55
Regular Price
£292.25
Grant Yellow System EZ200B standard flue kit (includes stainless steel terminal guard) 26-70kW Black
Special Price
£301.78
£251.48
Regular Price
£342.60
Grant Green System GX950/90B extension 950mm 12-26kW Black
Special Price
£103.18
£85.98
Regular Price
£117.07
Grant Green System GWB90B wall bracket 12-26kW Black
Special Price
£22.88
£19.07
Regular Price
£27.50
Grant Green System GWB200B wall bracket 26-70kW Black
Special Price
£24.82
£20.68
Regular Price
£29.58
Grant Green System GEB90B extended wall bracket 12-26kW Black
Special Price
£36.97
£30.81
Regular Price
£42.71
Grant Grant Vortex Eco 15/21 ErP floor standing utility boiler excluding flue
£1,578.59
£1,315.49
Grant Grant Vortex Eco 21/26 ErP floor standing utility boiler excluding flue
Special Price
£1,729.63
£1,441.36
Regular Price
£1,730.57
Grant Grant Vortex Eco 26/35 ErP floor standing utility boiler excluding flue
£2,064.66
£1,720.55
Grant Grant Vortex 16/21 ErP internal wall hung boiler excluding flue
£1,881.54
£1,567.95
Grant Grant Vortex Pro 15/26 ErP kitchen/utility system oil boiler
£2,152.42
£1,793.68
Grant Grant Vortex 15/26 ErP external oil boiler
£2,318.65
£1,932.21
Grant Grant Vortex Pro 21 ErP combi oil boiler
£2,927.92
£2,439.93
Grant Grant Vortex Pro 26 ErP combi oil boiler
£2,943.74
£2,453.12
Grant Grant Vortex Pro 36 ErP combi oil boiler
£3,309.35
£2,757.79
Grant Grant Vortex Pro 21HE ErP high efficiency outdoor combi oil boiler
£3,004.70
£2,503.92
Grant Grant Vortex Pro 26HE ErP high efficiency outdoor combi oil boiler
£3,213.98
£2,678.32
Grant Grant Vortex Pro 36HE ErP high efficiency outdoor combi oil boiler
£3,468.83
£2,890.69
Grant ErP solar pump station
£223.44
£186.20
Grant Grant Vortex Eco utility system boiler 15/21kw
£1,881.54
£1,567.95
Grant Grant Vortex Eco utility system boiler 21/26kw
Special Price
£2,041.86
£1,701.55
Regular Price
£2,043.67
Grant Grant Vortex Eco utility system boiler 26/35kw
£2,359.99
£1,966.66
Grant Grant Vortex Eco external sealed system boiler 15/21kw
£2,161.69
£1,801.41
Grant Grant Vortex Eco external sealed system boiler 21/26kw
Special Price
£2,398.82
£1,999.02
Regular Price
£2,399.77
Grant Grant Vortex Eco external sealed module system boiler 26/35kw
£2,800.50
£2,333.75
Grant Grant Vortex XS internal combi boiler 26kw
£2,958.30
£2,465.25
Grant Grant Vortex Blue 21 ErP internal boiler
Special Price
£1,819.09
£1,515.91
Regular Price
£2,236.58
Grant Grant Vortex Blue 26 ErP external boiler
Special Price
£2,187.86
£1,823.22
Regular Price
£2,669.69
Grant Grant Vortex Blue ErP combi boiler 21kW
Special Price
£2,762.51
£2,302.09
Regular Price
£3,169.87
Grant Yellow System adjustable plume diverter kit 80mm x 2mtr 26-70kw Black
Special Price
£264.47
£220.39
Regular Price
£301.14
Grant Yellow System 45deg elbow diverter kit 12-26kw Black
Special Price
£54.76
£45.63
Regular Price
£62.96
Grant Yellow System plume diverter Extension 1000mm 12-26kw Black
Special Price
£43.86
£36.55
Regular Price
£50.81
Grant Yellow System 45deg elbow diverter kit 26-70kw Black
Special Price
£64.69
£53.91
Regular Price
£73.46
Grant low level extension (for 15 26KW boilers) 450mm
Special Price
£76.07
£63.39
Regular Price
£86.34
Grant low level extension (for 26 70KW boilers) 225mm
Special Price
£76.07
£63.39
Regular Price
£86.34
Grant low level extension (for 26 70KW boilers) 450mm
Special Price
£90.38
£75.32
Regular Price
£103.18
Grant low level extension (for 26 70KW boilers) 675mm
Special Price
£120.42
£100.35
Regular Price
£120.98
Grant adjustable vertical balanced flue kit (for 12 26KW boilers) 3mtr
Special Price
£519.61
£433.01
Regular Price
£590.14
Grant high level vertical balanced flue extension kit (for 12 26KW boilers) 225mm
Special Price
£72.02
£60.02
Regular Price
£82.38
Grant high level vertical balanced flue extension kit(for 12 26KW boilers) 450mm
Special Price
£79.78
£66.48
Regular Price
£91.30
Grant high level vertical balanced flue extension kit (for 12 26KW boilers) 950mm
Special Price
£131.23
£109.36
Regular Price
£131.88
Grant high level vertical balanced flue adjustable extension (for 12 26KW boilers)
Special Price
£129.29
£107.74
Regular Price
£145.31
Grant high level vertical balanced flue elbow (for 12 26KW boilers)
Special Price
£85.57
£71.31
Regular Price
£97.24
Grant high level adjustable balanced flue with bracket (for 12 26KW boilers)
Special Price
£29.92
£24.93
Regular Price
£34.75
Grant high level balanced flue adjustable flue kit (for 26 70KW boilers) 1.2mtr
Special Price
£454.15
£378.46
Regular Price
£515.75
Grant adjustable vertical balanced flue kit 3mtr
Special Price
£568.97
£474.14
Regular Price
£646.22
Grant high level vertical balanced flue extension (for 26 70KW boilers)
Special Price
£79.78
£66.48
Regular Price
£91.30
Grant high level vertical balanced flue extension (for 26 70KW boilers) 450mm
Special Price
£100.21
£83.51
Regular Price
£114.06
Grant high level vertical balanced flue extension (for 26 70 KW boilers) 950mm
Special Price
£132.88
£110.73
Regular Price
£151.12
Grant high level vertical balanced flue adjustable extension (for 26 70KW boilers)
Special Price
£143.51
£119.59
Regular Price
£163.75
Grant high level vertical flue elbow (for 26 70KW boilers)
Special Price
£101.96
£84.97
Regular Price
£116.04
Grant adjustable vertical balanced flue with bracket (for 26 70KW boilers)
Special Price
£29.92
£24.93
Regular Price
£34.75
Grant 24hr single channel mechanical timer
Special Price
£60.67
£50.56
Regular Price
£65.75
Grant extension (for 12 46KW boilers) 250 100mm White
Special Price
£41.83
£34.86
Regular Price
£48.79
Grant extension (for 12 46KW boilers) 450 100mm White
Special Price
£50.74
£42.28
Regular Price
£58.91
Grant adjustable extension (for 12 46KW boilers) 235 300mm White
Special Price
£63.79
£53.16
Regular Price
£72.48
Grant 45deg elbow with extension (for 12 46KW boilers) 100mm White
Special Price
£56.86
£47.38
Regular Price
£64.99
Grant flexible kit (for 12 46KW boilers) 100mm x 6mtr
Special Price
£479.90
£399.92
Regular Price
£545.03
Grant flexible kit (for 12 46KW boilers) 100mm x 8mtr
Special Price
£632.28
£526.90
Regular Price
£692.86
Grant flexible kit (for 12 46KW boilers) 100mm x 10mtr
Special Price
£718.64
£598.87
Regular Price
£816.14
Grant 45deg eblow extension (for 46 70KW boilers) 125mm White
Special Price
£59.76
£49.80
Regular Price
£67.75
Grant plume management kit (for 12 26KW boilers) 80mm x 2mtr
Special Price
£243.19
£202.66
Regular Price
£276.02
Grant TPBS33 overheat thermostat reset button
£51.41
£42.84
Grant EFBS19 on/off double pole switch
£18.38
£15.32
Grant RDB neutral code burner 4
£639.40
£532.83
Grant MPCBS20 diverter valve
£215.40
£179.50
Grant MPCBS33 diaphragm kit
£60.60
£50.50
Grant MPCBS62 low pressure switch retro kit
£59.26
£49.38
Grant MPCBS64 pump valve set
£58.08
£48.40
Grant MPCBS67 heating/store switch
£15.22
£12.68
Grant MPCBS68 manual air vent
Special Price
£14.62
£12.18
Regular Price
£16.81
Grant MPCBS69 pump valve set
£56.78
£47.32
Grant MPCBS72X relay Orange
£30.32
£25.27
Grant mpcbs75 base orange relay (black)
£28.28
£23.57
Grant MPCBS76 isolation valve 15mm
£23.76
£19.80
Grant MPCBS77 isolation valve 22mm
£30.92
£25.77
Grant MPCBS78 isolation valve 28mm
£32.23
£26.86
Grant MPCBS81 non-return valve 28mm
£25.54
£21.28
Grant MPSS02 pressure gauge
£25.60
£21.33
Grant mpss04 vessel flexihose system kit
£24.35
£20.29
Grant TPBS23L access door gasket
£35.99
£29.99
Grant VBS01 baffles
Special Price
£138.67
£115.56
Regular Price
£167.87
Grant VBS03 baffles
£20.29
£16.91
Grant VBS05 turbulator
Special Price
£14.62
£12.18
Regular Price
£16.81
Grant VBS09 temperature and pressure gauge
£52.69
£43.91
Grant VBS10 bottom baffles
£136.09
£113.41
Grant VBS11 bottom baffles
£83.84
£69.87
Grant VBS16 combustion door rope gasket
£34.15
£28.46
Grant vbs17 silicone sealant high temp
£52.93
£44.11
Grant VBS35 filling loop
£59.11
£49.26
Grant VBS36 full set baffles
£168.49
£140.41
Grant VBS61 automatic air vent assembly 22mm
£28.20
£23.50
Grant vbs62 auto air vent kit 28mm
£30.96
£25.80
Grant VBS92 combustion door
£121.98
£101.65
Grant VBS93 baffles
Special Price
£132.53
£110.44
Regular Price
£160.39
Grant VBS95 expansion vessel hose
£24.35
£20.29
Grant vbs96 baffles
Special Price
£144.96
£120.80
Regular Price
£167.26
Grant VBS97 baffles
£157.97
£131.64
Grant WBS01 turbulator
Special Price
£14.62
£12.18
Regular Price
£16.81
Grant WBS05 rope seal access door
£29.84
£24.87
Grant WBS08 flexi hose expansion vessel
£25.54
£21.28
Grant Mpcbs34 Fibre Washer 7Pc Set
£4.62
£3.85
GRANT MPCBS49X LOW PRESSURE SWITCH
£43.87
£36.56
Grant Ebs01 Oil Pump
£215.50
£179.58
Grant FKS35 tube snorkel
£34.15
£28.46
Grant MPBS15 baffle set
£187.78
£156.48
Grant MPBS15X bottom baffles 110/140
£161.23
£134.36
Grant MPCBS42 circulating pump
£170.68
£142.23
Grant MPCBS43 circulating pump
£128.44
£107.03
Grant MPCBS72B base relay Grey
£24.83
£20.69
Grant Rbs04 Solenoid Coil
£20.10
£16.75
Grant Rbs06 Oring Press Regular (Pk 10)
£15.44
£12.87
Grant Rbs102 Motor
Special Price
£141.70
£118.08
Regular Price
£155.72
Grant RBS103 control box
Special Price
£143.12
£119.27
Regular Price
£157.31
Grant Rbs107 Capacitor 4.Uf
£18.43
£15.36
Grant RBS108 electrode assembly
£18.37
£15.31
Grant Rbs115 Photocell
£43.86
£36.55
Grant Rbs117 Solenoid Coil
£25.81
£21.51
Grant RBS119 thick flange 8mm
£16.36
£13.63
Grant RBS127 combustion head
£65.74
£54.78
Grant Rbs14 Oil Pump Seal
£22.76
£18.97
Grant Rbs140 Oring Seal Kit
£16.68
£13.90
Grant Rbs149 Capacitor 4.5Uf
£36.66
£30.55
Grant Rbs16 Drive Couplings (Pk 10)
£14.05
£11.71
Grant Rbs21 Photocell
£34.72
£28.93
Grant Rbs26D Combustion Head
£38.48
£32.07
Grant Rbs27 Gasket Flange
£13.44
£11.20
Grant Rbs31 Comb Head Oring (Pk 10)
Special Price
£12.37
£10.31
Regular Price
£15.96
Grant RBS35 adaptor oil line 3/8x1/4
Special Price
£7.21
£6.01
Regular Price
£7.25
Grant RBS36 hose flex oil 900mm 1/4x3/8
£16.43
£13.69
Grant SBS02 photocell
£43.34
£36.12
Grant VBS08 pressure gauge
£51.41
£42.84
Grant DSBH low temperature dual thermostat
£120.10
£100.08
Grant EFBS10 pocket thermostat
£24.13
£20.11
Grant EFBS21 switch boiler on/off
Special Price
£13.13
£10.94
Regular Price
£15.82
Grant EFBS22 switch timed/constant
Special Price
£13.13
£10.94
Regular Price
£15.82
Grant efbs23 om frost stat
£54.56
£45.47
Grant EFBS24 lamp indicator Red
£12.49
£10.41
Grant EFBS25 lamp indicator Orange
£15.30
£12.75