Pay with Klarna and spread your payments - Order Before 4pm To Get Next Day Delivery Monday To Friday

Free Shipping On All Orders Over

Free Shipping On
All Orders Over £100.00

Over 20,000 genuine spare parts in stock

Over 20,000 genuine
spare parts in stock

Order Before 4pm For Next Day Delivery

Order Before 4pm For
Next Day Delivery

Contact us 24/7 for advice & information

Contact us 24/7 for
advice & information

WESSEX MODUMAX 250 C

Loading...

Showing 1 to 50 of 71 entries

IGNITOR TRANSFORMER 230/220/120V

From: HamworthyHAM533901441

£63.83 (£76.60 inc. VAT)
VENTURI ASSY VMU300A1004 C/W KIT KTSERVF

From: HamworthyHAM532418001

£251.99 (£302.39 inc. VAT)
LMU64 PROG. FOR WESSEX MODUMAX 250 NG

From: HamworthyHAM533901450

£295.02 (£354.02 inc. VAT)
LMU64 PROG. FOR WESSEX MODUMAX 220 NG

From: HamworthyHAM533901448

£295.02 (£354.02 inc. VAT)
LIMIT THERMOSTAT

From: HamworthyHAM533901179

£53.37 (£64.04 inc. VAT)
THERMOSTAT POCKET - SINGLE STAT

From: HamworthyHAM531050013

£9.08 (£10.90 inc. VAT)
External air sensor hard wired

From: HamworthyHAM533901457

£37.06 (£44.47 inc. VAT)
MIXED FLOW SENSOR

From: HamworthyHAM533901460

£40.02 (£48.02 inc. VAT)
TEMP SENSOR 10K NTC Ã?6 x 45

From: HamworthyHAM533901431

£8.79 (£10.55 inc. VAT)
TEMP SENSOR POCKET 1/4" BSP

From: HamworthyHAM531050011

£16.31 (£19.57 inc. VAT)
CONDENSATE TRAP

From: HamworthyHAM530105094

£47.42 (£56.90 inc. VAT)
WESSEX MODU CUST SERVICE

From: HamworthyHAM563605386

£85.66 (£102.79 inc. VAT)
'O'RING FOR PRESS.RELIEF VALVE CONN. TUB

From: HamworthyHAM531299025

£2.39 (£2.87 inc. VAT)
FLEXIBLE HOSE ASSY

From: HamworthyHAM532403171

£458.52 (£550.22 inc. VAT)
FLEXIBLE GAS HOSE & COUPLER - R1 x 435mm

From: HamworthyHAM532403126

£198.55 (£238.26 inc. VAT)
SIEMENS AGU2.310A109 HMI FASCIA PCB

From: HamworthyHAM533901437

£121.75 (£146.10 inc. VAT)
PRESSURE RELIEF VALVE O RING SEAL FLANGE

From: HamworthyHAM530801011

£11.11 (£13.33 inc. VAT)
WATER CONNECTION O RING SEAL FLANGE CAST

From: HamworthyHAM530801012

£15.69 (£18.83 inc. VAT)
M16 SPRING WASHER TYPE B ZINC PLATED

From: HamworthyHAM740774283

£2.39 (£2.87 inc. VAT)
O RING REF 00-832NBR70 - FOR VR420VA1004

From: HamworthyHAM531299032

£2.39 (£2.87 inc. VAT)
RAST 5 CONNECTOR 2POLE

From: HamworthyHAM533926112

£2.39 (£2.87 inc. VAT)
M16 HEX.NUT ZINC PLATED

From: HamworthyHAM748440317

£2.39 (£2.87 inc. VAT)
M16 X 110 HEX HD HT BOLT

From: HamworthyHAM748231419

£3.11 (£3.73 inc. VAT)
M16 X 70 HEX HD HT BOLT

From: HamworthyHAM748231351

£1.72 (£2.06 inc. VAT)
SCREW - M3 x 8 SOCKET CAP HEAD SCREW.Z/P

From: HamworthyHAM748013353

£2.39 (£2.87 inc. VAT)
20MM (3/4") 185/300 BLK CAP

From: HamworthyHAM742221143

£15.41 (£18.49 inc. VAT)
HSI Assembly

From: HamworthyHAM563801019

£78.72 (£94.46 inc. VAT)
RVA46 531 HEATING CIRCUIT CONTROL KIT

From: HamworthyHAM563605297

£438.12 (£525.74 inc. VAT)
COMMON FLAPPER VALVE ASSY

From: HamworthyHAM563007019

£36.76 (£44.11 inc. VAT)
FRONT COVER Wsx ModuMax 110/120/220/250

From: HamworthyHAM560650193

£258.44 (£310.13 inc. VAT)
SIGHT GLASS - VIEW PORT SIGHT GLASS.Wsx.

From: HamworthyHAM539907001

£3.77 (£4.52 inc. VAT)
SIEMENS AGU2.511A109 VFC10V CLIP IN

From: HamworthyHAM533901438

£139.43 (£167.32 inc. VAT)
AIR HOOD MOULDING Wsx ModuMax 220,250

From: HamworthyHAM533005095

£211.41 (£253.69 inc. VAT)
BUTTERFLY VALVE, WAFER

From: HamworthyHAM531911036

£169.94 (£203.93 inc. VAT)
BALL VALVE 1.1/4"BSP OMEGA GBA OBV1140

From: HamworthyHAM531911032

£95.66 (£114.79 inc. VAT)
CLAMP - VIEWPORT CLAMP Wsx.100M

From: HamworthyHAM530805028

£5.93 (£7.12 inc. VAT)
SIDE PANEL, SLATE GREY

From: HamworthyHAM530650325

£65.48 (£78.58 inc. VAT)
25MM (1") 290 BLK UNION SA

From: HamworthyHAM530502006

£63.04 (£75.65 inc. VAT)
32MM 645.125 WHITE TUBULAR

From: HamworthyHAM530105095

£27.11 (£32.53 inc. VAT)
1"BSPT F/F BALL VALVE

From: HamworthyHAM339012158

£51.32 (£61.58 inc. VAT)
BAFFLE SPRING (M220-Wsx.200/400)

From: HamworthyHAM339006929

£14.70 (£17.64 inc. VAT)
BAFFLE PLATE (M220-Wsx.200/400) 491mm lo

From: HamworthyHAM333203290

£18.40 (£22.08 inc. VAT)
15MM (1/2") 371LS BOSS BZE NEW

From: HamworthyHAM331920127

£26.94 (£32.33 inc. VAT)
SIEMENS AGU2 104A109 CLIP-IN RIBBN CABLE

From: HamworthyHAM533901440

£10.88 (£13.06 inc. VAT)
GAS PRESSURE SWITCH 5-40MBAR RANGE (Wsx.

From: HamworthyHAM533925004

£49.47 (£59.36 inc. VAT)
HEAT EXCHANGER ASSY - WSX MODUMAX 250

From: HamworthyHAM563203016

£8,120.65 (£9,744.78 inc. VAT)
HEAT EXCHANGER ASSY - WSX MODUMAX 220

From: HamworthyHAM563203013

£4,885.61 (£5,862.73 inc. VAT)
GASKET CONDENSATE TRAP MOUNT TO CAN - Ws

From: HamworthyHAM531201076

£8.26 (£9.91 inc. VAT)
PRESSURE RELIEF VALVE CAN SEAL PLATE - W

From: HamworthyHAM530801010

£7.05 (£8.46 inc. VAT)
SEALING RING FOR FLEXIBLE HOSE G2-1/2"

From: HamworthyHAM531299031

£12.21 (£14.65 inc. VAT)

1

Heating Spares & Controls Special Offers

20L COLLAPSIBLE BUCKET

20L COLLAPSIBLE BUCKET

£12.76 +VAT

IDEAL LOGIC 35KW FLOW SWITCH KIT 175562/175590 - HEATXKIT

IDEAL LOGIC 35KW FLOW SWITCH KIT 175562/175590 - HEATXKIT

£48.00 +VAT

IDEAL LOGIC 30KW FLOW SWITCH KIT 175561/175590 - HEATXKIT

IDEAL LOGIC 30KW FLOW SWITCH KIT 175561/175590 - HEATXKIT

£48.00 +VAT

IDEAL LOGIC 24KW FLOW SWITCH KIT 175560/175590 - HEATXKIT

IDEAL LOGIC 24KW FLOW SWITCH KIT 175560/175590 - HEATXKIT

£48.00 +VAT

WORCESTER SERVICE KIT FLOW UNIT PRESSURE PRV FLOW SWITCH AND ADAPTOR 87161063560 87161064310 8716122562 8716122264 - HEATXKIT

WORCESTER SERVICE KIT FLOW UNIT PRESSURE PRV FLOW SWITCH AND ADAPTOR 87161063560 87161064310 8716122562 8716122264 - HEATXKIT

£90.00 +VAT

WORCESTER GREENSTAR SERVICE KIT ELECTRODES FLOW SWITCH AND FLOW ADAPTOR - 87161163810/8716122264/8716122562 -HEATXKIT

WORCESTER GREENSTAR SERVICE KIT ELECTRODES FLOW SWITCH AND FLOW ADAPTOR - 87161163810/8716122264/8716122562 -HEATXKIT

£78.00 +VAT

IDEAL LOGIC IGNITION KIT - ELECTRODE DETECTION ELECTRODE AND SPARK GEN 175591/175592/175593 - HEATXKIT

IDEAL LOGIC IGNITION KIT - ELECTRODE DETECTION ELECTRODE AND SPARK GEN 175591/175592/175593 - HEATXKIT

£40.80 +VAT

Systemsafe Zero Antifreeze Inhibitor 5L

Systemsafe Zero Antifreeze Inhibitor 5L

£75.11 +VAT

Kamco System Safe Heat Transfer Fluid 20L

Kamco System Safe Heat Transfer Fluid 20L

£159.83 +VAT

Kamco System Zero Antifreeze 20L

Kamco System Zero Antifreeze 20L

£184.14 +VAT

ONYX A RATED DOMESTIC CIRCULATOR PUMP GRUSPEC / HEATXKIT

ONYX A RATED DOMESTIC CIRCULATOR PUMP GRUSPEC / HEATXKIT

£46.80 +VAT

Salus IT800 Wifi Smart Thermostat

Salus IT800 Wifi Smart Thermostat

£136.80 +VAT

BAXI SERVICE KIT INCS 5114692 - 10L VESSEL-248056 - PRV-248043 - AAV-5114755 - GASKET KIT - HEATXKIT

BAXI SERVICE KIT INCS 5114692 - 10L VESSEL-248056 - PRV-248043 - AAV-5114755 - GASKET KIT - HEATXKIT

£79.19 +VAT

BAXI SERVICE KIT INCS 5114691 - 8L VESSEL-248056 - PRV-248043 - AAV-5114755 - GASKET KIT - HEATXKIT

BAXI SERVICE KIT INCS 5114691 - 8L VESSEL-248056 - PRV-248043 - AAV-5114755 - GASKET KIT - HEATXKIT

£74.39 +VAT

VAILLANT SERVICE KIT INCS -178985 - PRV-0020038679 - GASKET KIT -0020059717 - WATER PRESSURE SENSOR 0010033857 - AAV - HEATXKIT

VAILLANT SERVICE KIT INCS -178985 - PRV-0020038679 - GASKET KIT -0020059717 - WATER PRESSURE SENSOR 0010033857 - AAV - HEATXKIT

£58.79 +VAT

VAILLANT SERVICE KIT INCS - 181051 - 10L ZILMET VESSEL -178985 - PRV-0020038679 - GASKET KIT -0020059717 - WATER PRESSURE SENSOR 0010033857 - AAV - HEATXKIT

VAILLANT SERVICE KIT INCS - 181051 - 10L ZILMET VESSEL -178985 - PRV-0020038679 - GASKET KIT -0020059717 - WATER PRESSURE SENSOR 0010033857 - AAV - HEATXKIT

£99.59 +VAT

VAILLANT SERVICE KIT INCS - 181051 - 10L ZILMET VESSEL -178985 - PRV-0020038679 - GASKET KIT-090709 - ELECTRODE KIT 0020059717 - WATER PRESSURE SENSOR 0010033857 - AAV - HEATXKIT

VAILLANT SERVICE KIT INCS - 181051 - 10L ZILMET VESSEL -178985 - PRV-0020038679 - GASKET KIT-090709 - ELECTRODE KIT 0020059717 - WATER PRESSURE SENSOR 0010033857 - AAV - HEATXKIT

£119.99 +VAT

CF 20 Clearflow Flushing Machine

CF 20 Clearflow Flushing Machine

£1,110.98 +VAT

VAILLANT ECOTEC SERVICE KIT 0020038679 GASKET / 090709 ELECTRODE / 0020059717 PRESSURE SENSOR - HEATXKIT

VAILLANT ECOTEC SERVICE KIT 0020038679 GASKET / 090709 ELECTRODE / 0020059717 PRESSURE SENSOR - HEATXKIT

£45.60 +VAT

Sensor (water pressure) Ecotec (F75)

Sensor (water pressure) Ecotec (F75)

£11.40 +VAT

Regin Engineers service kit3 - HEATXKIT

Regin Engineers service kit3 - HEATXKIT

£72.47 +VAT

Regin Engineers service kit2 - HEATXKIT

Regin Engineers service kit2 - HEATXKIT

£29.83 +VAT

Regin Engineers service kit1 - HEATXKIT

Regin Engineers service kit1 - HEATXKIT

£49.74 +VAT

PRESSURE RELIEF VALVE

PRESSURE RELIEF VALVE

£22.80 +VAT

Pressure relief valve (3 bar) Ecotec

Pressure relief valve (3 bar) Ecotec

£13.80 +VAT

SAFETY VALVE - 3 BAR Combi, Duotec,Performa

SAFETY VALVE - 3 BAR Combi, Duotec,Performa

£9.00 +VAT

COOKER FLEX 4ft x 1/2'''' Bayonet Cooker Hose (NG) cooker hose

COOKER FLEX 4ft x 1/2'''' Bayonet Cooker Hose (NG) cooker hose

£12.40 +VAT

Proflush Pro Standard - PFM

Proflush Pro Standard - PFM

£1,319.28 +VAT

INHIBITOR OWN BRAND 1 LTR - IFP - ENGCON

£7.16 +VAT

SUPPLY LEFT HAND ( LH) FLOW MANIFOLD COMPLETE

SUPPLY LEFT HAND ( LH) FLOW MANIFOLD COMPLETE

£21.60 +VAT

Gasket kit Ecotec and Ecomax G10 seal

Gasket kit Ecotec and Ecomax G10 seal

£11.40 +VAT

ADEY 22MM MAGNACLEAN PROFESSIONAL2 FILTER BLACK

ADEY 22MM MAGNACLEAN PROFESSIONAL2 FILTER BLACK

£104.40 +VAT

Smart Mag Filter and Chemical Pack SPECOFF

Smart Mag Filter and Chemical Pack SPECOFF

£45.60 +VAT

ONYX 22MM BRASS MAGNETIC FILTER WITH VALVES

ONYX 22MM BRASS MAGNETIC FILTER WITH VALVES

£62.40 +VAT

Baxi Duotec Pressure relif valve and expansion vessel (248056 & 5114691) HEATXKIT

Baxi Duotec Pressure relif valve and expansion vessel (248056 & 5114691) HEATXKIT

£57.60 +VAT

12L POTABLE EXPANSION VESSEL

12L POTABLE EXPANSION VESSEL

£29.94 +VAT

BAXI DUOTEC SERVICE KIT ELECTRODES AND GASKET 5114755 720222901 720222801 HEATXKIT

BAXI DUOTEC SERVICE KIT ELECTRODES AND GASKET 5114755 720222901 720222801 HEATXKIT

£30.00 +VAT

ELECTRODES was 87181070870

ELECTRODES was 87181070870

£31.20 +VAT

Diverter valve, brass, with adaptor (Rpls 178978) Ecotec

Diverter valve, brass, with adaptor (Rpls 178978) Ecotec

£89.00 +VAT

Ideal Logic Service Pack Electrodes and Burner Gasket 175592,175591,175572 - HEATXKIT

Ideal Logic Service Pack Electrodes and Burner Gasket 175592,175591,175572 - HEATXKIT

£37.80 +VAT

Automatic de-aerator was 104521

Automatic de-aerator was 104521

£11.40 +VAT

We accept payment from: Payment Methods

Payment Methods

Copyright @ 2025 Heating Spares & Controls | All the rights reserved | Website by Bath Marketing Consultancy