Heating System Energy Distribution | Pump Groups & Mixing Valves

Browse our range of energy distribution components for heating systems, including pump groups, mixing valves, wiring centres and hydraulic control equipment used in professional heating installations.

These products are commonly used in boiler systems, heat pump installations and underfloor heating systems, helping to control water flow, manage system temperature and distribute heat efficiently throughout the heating system.

Typical components within energy distribution systems include mixing valves, pump groups, wiring centres and hydraulic separation equipment, all designed to ensure efficient circulation and temperature control.

Within this collection you will find products such as ESBE mixing valves, MeiFlow pump groups, and Joule wiring centres, commonly used by heating engineers when installing or servicing modern heating systems.

At B.E.E. – The SMART Heating Merchant, we supply high-quality heating components from leading manufacturers suitable for professional installers and heating specialists.

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Copper Press Fit 22mm x 3/4" Female Coupler - M Profile

PrimaPress

£4.96 Ex-VAT

£4.96 Ex-VAT - £4.96 Ex-VAT

£4.96 Ex-VAT

£3.42 Ex-VAT

£3.42 Ex-VAT - £3.42 Ex-VAT

£3.42 Ex-VAT

PrimaPress Pressfit 22mm x 3/4" FI Coupler

Copper Press Fit 15mm x 3/4" Male Coupler - M Profile

PrimaPress

£3.91 Ex-VAT

£3.91 Ex-VAT - £3.91 Ex-VAT

£3.91 Ex-VAT

£2.69 Ex-VAT

£2.69 Ex-VAT - £2.69 Ex-VAT

£2.69 Ex-VAT

PrimaPress Pressfit 15mm x 3/4" MI Coupler

Copper Press Fit 15mm x 3/4" Female Coupler - M Profile

PrimaPress

£3.91 Ex-VAT

£3.91 Ex-VAT - £3.91 Ex-VAT

£3.91 Ex-VAT

£2.69 Ex-VAT

£2.69 Ex-VAT - £2.69 Ex-VAT

£2.69 Ex-VAT

PrimaPress Pressfit 15mm x 3/4" FI Coupler

Copper Press Fit 15mm x 1/2" Female Coupler - M Profile

PrimaPress

£3.30 Ex-VAT

£3.30 Ex-VAT - £3.30 Ex-VAT

£3.30 Ex-VAT

£2.28 Ex-VAT

£2.28 Ex-VAT - £2.28 Ex-VAT

£2.28 Ex-VAT

PrimaPress Pressfit 15mm x 1/2" FI Coupler

OSO Maxi Accumulator Heat – MA Cylinder 400L - 1000L

OSO

£1,383.70 Ex-VAT - £3,747.55 Ex-VAT

£1,447.00 Ex-VAT

£1,383.70 Ex-VAT - £3,747.55 Ex-VAT

£1,383.70 Ex-VAT

DIMENSIONS 400L - 595mm x 2175mm 600L - 780mm x 2000mm 1000L - 1000mm x 2100mm OSO Maxi Heat - MA DATA & INSTALLATION MANUAL 400L - 600L ...

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OSO Maxi Geocoil – MGC Cylinder 400L - 1000L

OSO

£3,433.90 Ex-VAT - £3,591.00 Ex-VAT

£3,591.00 Ex-VAT

£3,433.90 Ex-VAT - £4,480.04 Ex-VAT

£3,433.90 Ex-VAT

Dimensions : 400L - 595mm x 2172mm 600L - 800mm x 2030mm 1000L - 1000mm x 2100mm OSO MAXI GEOCOIL MGC DATA & INSTALLATION MANUAL 400L OSO MAXI...

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OSO Maxi Coil - MC Indirect - 600L - 1000L

OSO

£2,998.00 Ex-VAT

£2,998.00 Ex-VAT - £2,998.00 Ex-VAT

£2,998.00 Ex-VAT

£2,866.84 Ex-VAT - £4,023.90 Ex-VAT

£2,866.84 Ex-VAT

DIMENSIONS 600L - 780mm x 2000mm 1000L - 1000mm x 2100mm OSO MAXI COIL - MC DATA & INSTALLATIONS MANUAL 600L - 1000L MAXI Series The MAXI ser...

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OSO Maxi Xpress Commercial Buffer with Electirc back-up 3 x 9kw 3-ph (adj to 1-ph 6 or 3kw) 11010542 - ELKIT9

OSO

£400.00 Ex-VAT

£400.00 Ex-VAT - £400.00 Ex-VAT

£400.00 Ex-VAT

£382.50 Ex-VAT

£382.50 Ex-VAT - £382.50 Ex-VAT

£382.50 Ex-VAT

3 x 9kw 3-ph (adj to 1-ph 6 or 3kw)

OSO Maxi Xpress Commercial Buffer with Electirc back-up 1 x 7.5kw 3-ph (adj to 1-ph 5 or 2.5kw) 11009924 - ELKIT7.5

OSO

£140.00 Ex-VAT

£140.00 Ex-VAT - £140.00 Ex-VAT

£140.00 Ex-VAT

£133.88 Ex-VAT

£133.88 Ex-VAT - £133.88 Ex-VAT

£133.88 Ex-VAT

1 x 7.5kw 3-ph (adj to 1-ph 5 or 2.5kw)

OSO Maxi Xpress - MX Cylinder 600L - 1000L

OSO

£3,299.06 Ex-VAT - £3,824.05 Ex-VAT

£3,299.06 Ex-VAT

DIMENSIONS 600L - 800mm x 2030mm 1000L - 1000mm x 2100mm OSO MAXI XPRESS MX DATA & INSTALLATION MANUAL 600L - 1000L MAXI Series Maxi Series is...

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OSO Maxi Standard Commercial Buffer with Electirc back-up 400 L - 2x 7.5kw Immersion heaters included 11008985 - MS400

OSO

£2,117.00 Ex-VAT

£2,117.00 Ex-VAT - £2,117.00 Ex-VAT

£2,117.00 Ex-VAT

£2,024.39 Ex-VAT

£2,024.39 Ex-VAT - £2,024.39 Ex-VAT

£2,024.39 Ex-VAT

2x 7.5kw Immersion heaters included - Dimensions 595x2175 , 77 L

OSO Maxi Standard Commercial Cylinder with Electirc back-up 300 L - 2x7.5kw Immersion heaters included 11009861 - MS300

OSO

£1,585.00 Ex-VAT

£1,585.00 Ex-VAT - £1,585.00 Ex-VAT

£1,585.00 Ex-VAT

£1,515.66 Ex-VAT

£1,515.66 Ex-VAT - £1,515.66 Ex-VAT

£1,515.66 Ex-VAT

2x7.5kw Immersion heaters included - Dimensions 595x1685 , 57 L Contact us for a quote : Live Chat / 01985 850982 The MAXI series is the class-lea...

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OSO ½" Pressure & Temperature Relief Valve

OSO

£49.00 Ex-VAT

£49.00 Ex-VAT - £49.00 Ex-VAT

£49.00 Ex-VAT

£44.95 Ex-VAT

£44.95 Ex-VAT - £44.95 Ex-VAT

£44.95 Ex-VAT

½" Pressure & Temperature Relief Valve Compatible with : Super S, Powercyl, Ecoline, 20 Series, 16 Series, Twincoil, ECO120, ECO150, ECO180, E...

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OSO Reducer Cartridge 1.5-5.5 Bar Adjustable

OSO

£98.00 Ex-VAT

£98.00 Ex-VAT - £98.00 Ex-VAT

£98.00 Ex-VAT

£89.89 Ex-VAT

£89.89 Ex-VAT - £89.89 Ex-VAT

£89.89 Ex-VAT

Reducer Cartridge 1.5-5.5 Bar Adjustable suits 355045 & 355030 Compatible with : Powercyl, Ecoline, 20 Series, 16 Series, Twincoil, ECO120, E...

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OSO 3 BAR MULTIBLOC ECOLINE & DELTA

OSO

£134.00 Ex-VAT

£134.00 Ex-VAT - £134.00 Ex-VAT

£134.00 Ex-VAT

£123.36 Ex-VAT

£123.36 Ex-VAT - £123.36 Ex-VAT

£123.36 Ex-VAT

Multibloc - Ecoline CWIC 355 030 3 bar and 6 bar relief Compatible with : ECO120, ECO150, ECO180, ECO210, ECO250, ECO300, ECOLINE Delta range of C...

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OSO 2.1 BAR MULTIBLOC 20 SERIES

OSO

£129.00 Ex-VAT

£129.00 Ex-VAT - £129.00 Ex-VAT

£129.00 Ex-VAT

£123.36 Ex-VAT

£123.36 Ex-VAT - £123.36 Ex-VAT

£123.36 Ex-VAT

Multibloc combination valve, combi valve - 2.1 bar and 8 bar relief Compatible with : 20RI100, 20RD100, 20RI125, 20RD125, 20RI170, 20RD170, 20RI210...

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OSO STANDARD THERMOSTAT 40° – 70° FOR S & Y PLAN & IMMERSION HEATER

OSO

£52.00 Ex-VAT

£52.00 Ex-VAT - £52.00 Ex-VAT

£52.00 Ex-VAT

£46.86 Ex-VAT

£46.86 Ex-VAT - £46.86 Ex-VAT

£46.86 Ex-VAT

Thermostat for S & Y plan & immersion heater used for both direct and indirect cylinders Compatible with : ECO120, ECO150, ECO180, ECO210,...

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OSO 3kw 1 1/4" 240v Immersion (For Smart Thermostat)

OSO

£98.00 Ex-VAT

£98.00 Ex-VAT - £98.00 Ex-VAT

£98.00 Ex-VAT

£87.97 Ex-VAT

£87.97 Ex-VAT - £87.97 Ex-VAT

£87.97 Ex-VAT

3kw 1 1/4" 240v Immersion (For Smart Thermostat) Replaces : 71248 Compatible with : SXIQ

OSO 4.5 Kw Immersion with 2 x 4mm Cables

OSO

£113.00 Ex-VAT

£113.00 Ex-VAT - £113.00 Ex-VAT

£113.00 Ex-VAT

£101.36 Ex-VAT

£101.36 Ex-VAT - £101.36 Ex-VAT

£101.36 Ex-VAT

4.5 Immersion with 2 x 4mm Cables Including Alloy 1 1/4 Replaces : 71270, 71269 Compatible with : Super S, Powercyl, Ecoline, 20 Series, 16 Series,...

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OSO 22/28 Upstream kit - Fitting kit* 22/28 - UKL22/28

OSO

£367.00 Ex-VAT

£367.00 Ex-VAT - £367.00 Ex-VAT

£367.00 Ex-VAT

£350.95 Ex-VAT

£350.95 Ex-VAT - £350.95 Ex-VAT

£350.95 Ex-VAT

The OSO 22/28 Upstream kit - Fitting kit* is essential for all systems using a Superstream cylinder. This kit is designed to match the size of the ...

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OSO Superstream Accumulators Main Water Boosters 130L - 450L

OSO

£0.00 Ex-VAT - £1,250.78 Ex-VAT

£0.00 Ex-VAT

£709.54 Ex-VAT - £1,250.78 Ex-VAT

£709.54 Ex-VAT

OSO SUPERSTREAM DATA AND INSTALLION MANUAL Please note that this product requires a separate Upstream fittings kit (22mm or 28mm) OSO 22/2...

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OSO Multipoint – W Electric Hot Water Heater 30L - 100L

OSO

£468.56 Ex-VAT - £490.00 Ex-VAT

£490.00 Ex-VAT

£468.56 Ex-VAT - £633.04 Ex-VAT

£468.56 Ex-VAT

OSO MULTIPOINT W INSTALLATION AND TECHNICAL DATA MANUAL The Multipoint – W is an electrically heated, stainless steel, hot water heater. Multipoin...

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OSO Buffer Tank for Heatpumps 60L - 100L - 200L

OSO

£382.50 Ex-VAT - £400.00 Ex-VAT

£400.00 Ex-VAT

£382.50 Ex-VAT - £525.94 Ex-VAT

£382.50 Ex-VAT

60L - 430mm x 750mm 100L - 435mm x 1166mm 200L - 595mm x 1265mm OSO BUFFER DATA & INSTALLATION MANUAL Better Efficiency Stainless steel buff...

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OSO Optima Heatpump 300 L - 225L Cylinder with 65 L Buffer - B ERP OGC300 8000277

OSO

£1,700.00 Ex-VAT

£1,700.00 Ex-VAT - £1,700.00 Ex-VAT

£1,700.00 Ex-VAT

£1,625.62 Ex-VAT

£1,625.62 Ex-VAT - £1,625.62 Ex-VAT

£1,625.62 Ex-VAT

OGC 300 is designed to deliver hot water and hydronic heat from an electrical and/or external energy source.The OGC 300 can be used with a heat pum...

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Heating System Energy Distribution | Pump Groups & Mixing Valves

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Copper Press Fit 22mm x 3/4" Female Coupler - M Profile

Copper Press Fit 15mm x 3/4" Male Coupler - M Profile

Copper Press Fit 15mm x 3/4" Female Coupler - M Profile

Copper Press Fit 15mm x 1/2" Female Coupler - M Profile

OSO Maxi Accumulator Heat – MA Cylinder 400L - 1000L

OSO Maxi Geocoil – MGC Cylinder 400L - 1000L

OSO Maxi Coil - MC Indirect - 600L - 1000L

OSO Maxi Xpress Commercial Buffer with Electirc back-up 3 x 9kw 3-ph (adj to 1-ph 6 or 3kw) 11010542 - ELKIT9

OSO Maxi Xpress Commercial Buffer with Electirc back-up 1 x 7.5kw 3-ph (adj to 1-ph 5 or 2.5kw) 11009924 - ELKIT7.5

OSO Maxi Xpress - MX Cylinder 600L - 1000L

OSO Maxi Standard Commercial Buffer with Electirc back-up 400 L - 2x 7.5kw Immersion heaters included 11008985 - MS400

OSO Maxi Standard Commercial Cylinder with Electirc back-up 300 L - 2x7.5kw Immersion heaters included 11009861 - MS300

OSO ½" Pressure & Temperature Relief Valve

OSO Reducer Cartridge 1.5-5.5 Bar Adjustable

OSO 3 BAR MULTIBLOC ECOLINE & DELTA

OSO 2.1 BAR MULTIBLOC 20 SERIES

OSO STANDARD THERMOSTAT 40° – 70° FOR S & Y PLAN & IMMERSION HEATER

OSO 3kw 1 1/4" 240v Immersion (For Smart Thermostat)

OSO 4.5 Kw Immersion with 2 x 4mm Cables

OSO 22/28 Upstream kit - Fitting kit* 22/28 - UKL22/28

OSO Superstream Accumulators Main Water Boosters 130L - 450L

OSO Multipoint – W Electric Hot Water Heater 30L - 100L

OSO Buffer Tank for Heatpumps 60L - 100L - 200L

OSO Optima Heatpump 300 L - 225L Cylinder with 65 L Buffer - B ERP OGC300 8000277

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