Baxi
Baxi Central Heating Valve Without Drain 720773001
Baxi central heating valve without drain, part number 720773001, for selected Baxi gas combination boilers.
At a glance
- Part type: Diverter Valves & Hydraulics
Showing prices
£48.00
£40.00 ex. VAT · VAT at 20%
Available to order · 1 working day
Available to order · 1 working day
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Baxi 720773001 is a central heating valve without drain, classed as a diverter valve and hydraulics component. It is used within the central heating circuit of selected Baxi gas combination boilers to control the flow of water between the heating and domestic hot water functions.
Before you order
- Check the boiler model name and serial number against the fitment list above, particularly for ErP models where the serial number ending matters.
- Confirm the valve is for central heating use as described, and that your boiler is not a model outside the listed fits.
- Check the boiler's data plate or the appliance documentation to confirm the model before ordering.
Compliance
| GC number | H90-504 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 124 ErP COMBI - SERIAL NUMBER ENDING AC | 47-077-25 | 47-077-25 | — | — |
| BAXI 124 ErP COMBI - SERIAL NUMBER ENDING BC | 47-077-25 | 47-077-25 | — | — |
| BAXI 128 ErP COMBI - SERIAL NUMBER ENDING AC | 47-077-26 | 47-077-26 | — | — |
| BAXI 128 ErP COMBI - SERIAL NUMBER ENDING BC | 47-077-26 | 47-077-26 | — | — |
| BAXI DUO-TEC 2 COMBI 24 | 47-075-67 | 47-075-67 | — | — |
| BAXI DUO-TEC 2 COMBI 28 | 47-075-68 | 47-075-68 | — | — |
| BAXI DUO-TEC 2 COMBI 28 COMPACT | 47-075-72 | 47-075-72 | — | — |
| BAXI DUO-TEC 2 COMBI 28 GA - LPG | 47-075-55 | 47-075-55 | — | — |
| BAXI DUO-TEC 2 COMBI 28 GA - NG | 47-075-55 | 47-075-55 | — | — |
| BAXI DUO-TEC 2 COMBI 33 GA - LPG | 47-075-56 | 47-075-56 | — | — |
Showing 10 of 78 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
manual
BAXI appliance manual — 124 ErP COMBI - SERIAL NUMBER ENDING AC (GC 47-077-25), 124 ErP COMBI - SERIAL NUMBER ENDING BC (GC 47-077-25), 128 ErP COMBI - SERIAL NUMBER ENDING AC (GC 47-077-26), 128 ErP COMBI - SERIAL NUMBER ENDING BC (GC 47-077-26)
manualmanualBAXI appliance manual — DUO-TEC 2 COMBI 24 (GC 47-075-67), DUO-TEC 2 COMBI 28 (GC 47-075-68), DUO-TEC 2 COMBI 40 (GC 47-075-70)
manualmanualBAXI appliance manual — DUO-TEC 2 COMBI 28 COMPACT (GC 47-075-72)
manualmanualBAXI appliance manual — DUO-TEC 2 COMBI 28 GA - LPG (GC 47-075-55), DUO-TEC 2 COMBI 28 GA - NG (GC 47-075-55), DUO-TEC 2 COMBI 33 GA - LPG (GC 47-075-56), DUO-TEC 2 COMBI 33 GA - NG (GC 47-075-56), DUO-TEC 2 COMBI 40 GA - LPG (GC 47-075-57), DUO-TEC 2 COMBI 40 GA - NG (GC 47-075-57)
manualmanualBAXI appliance manual — ECOBLUE ADVANCE COMBI 24 (GC 47-075-87), ECOBLUE ADVANCE COMBI 28 (GC 47-075-88), ECOBLUE ADVANCE COMBI 33 (GC 47-075-89), ECOBLUE ADVANCE COMBI 40 (GC 47-075-90)
manualmanualBAXI appliance manual — ECOBLUE ADVANCE COMBI ErP 24 (GC 47-077-14), ECOBLUE ADVANCE COMBI ErP 28 (GC 47-077-15), ECOBLUE ADVANCE COMBI ErP 33 (GC 47-077-16), ECOBLUE ADVANCE COMBI ErP 40 (GC 47-077-17)
manualmanualBAXI appliance manual — ECOBLUE COMBI 24 (GC 47-075-81), ECOBLUE COMBI 28 (GC 47-075-82), ECOBLUE COMBI 33 (GC 47-075-83)
manualmanualBAXI appliance manual — ECOBLUE COMBI ErP 24 (GC 47-077-11), ECOBLUE COMBI ErP 28 (GC 47-077-12), ECOBLUE COMBI ErP 33 (GC 47-077-13)
manualmanualBAXI appliance manual — ECOBLUE PLUS COMBI 24 (GC 47-075-84), ECOBLUE PLUS COMBI 28 (GC 47-075-85), ECOBLUE PLUS COMBI 33 (GC 47-075-86)
manualmanualBAXI appliance manual — ECOBLUE PLUS COMBI ErP 24 (GC 47-077-08), ECOBLUE PLUS COMBI ErP 28 (GC 47-077-09), ECOBLUE PLUS COMBI ErP 33 (GC 47-077-10)
manualmanualBAXI appliance manual — ECOBLUE SYSTEM 12 (GC 41-077-95), ECOBLUE SYSTEM 15 (GC 41-077-96), ECOBLUE SYSTEM 18 (GC 41-077-97), ECOBLUE SYSTEM 24 (GC 41-077-98), ECOBLUE SYSTEM 28 (GC 41-077-99), ECOBLUE SYSTEM 32 (GC 41-470-01)
manualmanualBAXI appliance manual — ECOBLUE SYSTEM ErP 12 (GC 41-470-23), ECOBLUE SYSTEM ErP 15 (GC 41-470-24), ECOBLUE SYSTEM ErP 18 (GC 41-470-25), ECOBLUE SYSTEM ErP 24 (GC 41-470-26), ECOBLUE SYSTEM ErP 28 (GC 41-470-27), ECOBLUE SYSTEM ErP 32 (GC 41-470-28)
manualmanualBAXI appliance manual — MEGAFLO 2 SYSTEM 12 COMPACT GA (GC 41-075-70), MEGAFLO 2 SYSTEM 15 COMPACT GA (GC 41-075-71), MEGAFLO 2 SYSTEM 18 COMPACT GA (GC 41-075-72), MEGAFLO 2 SYSTEM 24 COMPACT GA (GC 41-075-73), MEGAFLO 2 SYSTEM 28 COMPACT GA (GC 41-075-74), MEGAFLO 2 SYSTEM 32 COMPACT GA (GC 41-075-75)
manualmanualBAXI appliance manual — NETA-TEC COMBI 24 GA (GC 47-075-51), NETA-TEC COMBI 28 GA (GC 47-075-52), NETA-TEC COMBI 33 GA (GC 47-075-53)
manualmanualBAXI appliance manual — NETA-TEC PLUS COMBI 24 GA (GC 47-075-64), NETA-TEC PLUS COMBI 28 GA (GC 47-075-65), NETA-TEC PLUS COMBI 33 GA (GC 47-075-66)
manualmanualBAXI appliance manual — PLATINUM 2 28 GA (GC 47-075-61), PLATINUM 2 33 GA (GC 47-075-62), PLATINUM 2 40 GA (GC 47-075-63)
manualmanualPOTTERTON appliance manual — PROMAX ULTRA 24 COMBI ErP - SERIAL No. ENDING AC (GC 47-393-54), PROMAX ULTRA 24 COMBI ErP - SERIAL No. ENDING BC & CC (GC 47-393-54), PROMAX ULTRA 24 COMBI ErP - SERIAL No. ENDING DC (GC 47-393-54), PROMAX ULTRA 28 COMBI ErP - SERIAL No. ENDING BC & CC (GC 47-393-55), PROMAX ULTRA 28 COMBI ErP - SERIAL No. ENDING DC (GC 47-393-55), PROMAX ULTRA 28 COMBI ErP SERIAL No. ENDING AC (GC 47-393-55), PROMAX ULTRA 33 COMBI ErP - SERIAL No. ENDING BC & CC (GC 47-393-56), PROMAX ULTRA 33 COMBI ErP - SERIAL No. ENDING DC (GC 47-393-56), PROMAX ULTRA 33 COMBI ErP SERIAL No. ENDING AC (GC 47-393-56), PROMAX ULTRA 40 COMBI ErP - SERIAL No. ENDING BC & CC (GC 47-393-57), PROMAX ULTRA 40 COMBI ErP - SERIAL No. ENDING DC (GC 47-393-57), PROMAX ULTRA 40 COMBI ErP SERIAL No. ENDING AC (GC 47-393-57)
manualmanualPOTTERTON appliance manual — ULTRA SYSTEM 12 ErP (GC 41-592-71), ULTRA SYSTEM 15 ErP (GC 41-592-72), ULTRA SYSTEM 18 ErP (GC 41-592-73), ULTRA SYSTEM 24 ErP (GC 41-592-74), ULTRA SYSTEM 28 ErP (GC 41-592-75)
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