Main
Main Machine Screw M3.5 x 18mm
Main M3.5 x 18mm machine screw, classed as a bolt, nut and screw part, for use with the appliances listed.
At a glance
- Part type: Bolts, nuts and screws
- Also known as 1123991
AvailabilityCall for price
Availability: no longer made. Call us and we'll check for stock.
No longer made: call us
The manufacturer has discontinued this part. Our team will check for remaining stock or a suitable replacement.
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Unused, in original packaging.
What it is
The Main Machine Screw M3.5 x 18mm is a bolts, nuts and screws part supplied by Main. It is a machine screw measuring 3.5mm in diameter and 18mm in length, and is listed as fitting the appliance models shown below.
Before you order
- Check the GC number on the data badge of your appliance against the GC numbers listed for this part before ordering.
Compliance
| GC number | 402-479 |
|---|---|
| Alternative numbers | 1123991 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| MAIN MAIN HEATING ONLY 12 HE | 41-474-02 | 41-474-02 | — | — |
| MAIN MAIN HEATING ONLY 15 HE | 41-474-03 | 41-474-03 | — | — |
| MAIN MAIN HEATING ONLY 18 HE | 41-474-04 | 41-474-04 | — | — |
| MAIN MAIN HEATING ONLY 24 HE | 41-474-05 | 41-474-05 | — | — |
| MAIN MAIN HEATING ONLY 9 HE | 41-474-01 | 41-474-01 | — | — |
| POTTERTON BRITISH GAS 30 F2 | 41-589-74 | 41-589-74 | — | — |
| POTTERTON BRITISH GAS 40 F2 | 41-589-77 | 41-589-77 | — | — |
| POTTERTON BRITISH GAS 50 F2 | 41-589-78 | 41-589-78 | — | — |
| POTTERTON BRITISH GAS 60 F2 | 41-589-81 | 41-589-81 | — | — |
| POTTERTON BRITISH GAS 80 F2 | 41-589-97 | 41-589-97 | — | — |
Showing 10 of 123 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
MAIN appliance manual — MAIN HEATING ONLY 12 HE (GC 41-474-02), MAIN HEATING ONLY 15 HE (GC 41-474-03), MAIN HEATING ONLY 18 HE (GC 41-474-04), MAIN HEATING ONLY 24 HE (GC 41-474-05), MAIN HEATING ONLY 9 HE (GC 41-474-01)
manualmanualPOTTERTON appliance manual — COMBI 80 (GC 47-393-03)
manualmanualPOTTERTON appliance manual — ENVOY 30 (GC 41-607-60), ENVOY 40 (GC 41-607-61), ENVOY 50 (GC 41-607-62), ENVOY 60 (GC 41-607-63)
manualmanualPOTTERTON appliance manual — ENVOY FLOWSURE & FLOWSURE+ (GC 41-607-89)
manualmanualPOTTERTON appliance manual — ENVOY SYSTEM 30 (GC 41-607-84), ENVOY SYSTEM 40 (GC 41-607-85), ENVOY SYSTEM 50 (GC 41-607-86), ENVOY SYSTEM 60 (GC 41-607-87), ENVOY SYSTEM 80 (GC 41-607-88)
manualmanualPOTTERTON appliance manual — HOUSEWARMER 45 - NG (GC 44-590-18), HOUSEWARMER 55 - NG (GC 44-590-19)
manualmanualPOTTERTON appliance manual — KINGFISHER MF RSL100 (GC 41-590-41), KINGFISHER MF RSL50 (GC 41-590-36), KINGFISHER MF RSL60 (GC 41-590-37), KINGFISHER MF RSL70 (GC 41-590-38), KINGFISHER MF RSL80 (GC 41-590-39), KINGFISHER MF RSL90 (GC 41-590-40)
manualmanualPOTTERTON appliance manual — LYNX 2 - LPG (GC 47-590-09), LYNX 2 - NG (GC 47-590-08)
manualmanualPOTTERTON appliance manual — NETAHEAT PROFILE 30E (GC 41-601-35), NETAHEAT PROFILE 40E (GC 41-605-04), NETAHEAT PROFILE 50E (GC 41-605-41), NETAHEAT PROFILE 50E - LPG, NETAHEAT PROFILE 60E (GC 41-605-42), NETAHEAT PROFILE 60E - LPG, NETAHEAT PROFILE 80E (GC 41-605-43), NETAHEAT PROFILE 80E - LPG
manualmanualPOTTERTON appliance manual — PERFORMA HE 12 SL (GC 41-592-06), PERFORMA HE 15 SL (GC 41-592-07), PERFORMA HE 18 SL (GC 41-592-08), PERFORMA HE 21 SL (GC 41-592-09), PERFORMA HE 24 SL (GC 41-592-10), PERFORMA HE 9 SL (GC 41-592-05)
manualmanualPOTTERTON appliance manual — PRIMA 100F (GC 41-607-33), PRIMA 100F - LPG (GC 41-607-27), PRIMA 30F (GC 41-607-01), PRIMA 40F (GC 41-607-02), PRIMA 50F (GC 41-607-03), PRIMA 60F (GC 41-607-04), PRIMA 60F - LPG (GC 41-607-25), PRIMA 80F (GC 41-607-32), PRIMA 80F - LPG (GC 41-607-26)
manualmanualPOTTERTON appliance manual — PRIMA 30B (GC 41-605-94), PRIMA 40B (GC 41-605-95), PRIMA 50B (GC 41-605-96), PRIMA 60B (GC 41-605-97)
manualmanualPOTTERTON appliance manual — PRIMA 30C (GC 41-605-90), PRIMA 40C (GC 41-605-91), PRIMA 50C (GC 41-605-92), PRIMA 60C (GC 41-605-93)
manualmanualPOTTERTON appliance manual — PROFILE 100E (GC 41-605-65)
manualmanualPOTTERTON appliance manual — PROFILE 100E - LPG (GC 41-605-69)
manualmanualPOTTERTON appliance manual — PROFILE 30E (GC 41-605-39), PROFILE 40E (GC 41-605-40), PROFILE 50E (GC 41-605-41), PROFILE 60E (GC 41-605-42), PROFILE 80E (GC 41-605-43)
manualmanualPOTTERTON appliance manual — PROFILE 40EL (GC 41-590-50), PROFILE 50EL (GC 41-590-51), PROFILE 60EL (GC 41-590-52), PROFILE 80EL (GC 41-590-53)
manualmanualPOTTERTON appliance manual — PROFILE 50E - LPG (GC 41-605-66), PROFILE 60E - LPG (GC 41-605-67), PROFILE 80E - LPG (GC 41-605-68)
manualmanualPOTTERTON appliance manual — PROFILE PRIMA 100E (GC 41-605-75), PROFILE PRIMA 100E - LPG (GC 41-605-79), PROFILE PRIMA 30E (GC 41-605-70), PROFILE PRIMA 40E (GC 41-605-71), PROFILE PRIMA 50E (GC 41-605-72), PROFILE PRIMA 50E - LPG (GC 41-605-76), PROFILE PRIMA 60E (GC 41-605-73), PROFILE PRIMA 60E - LPG (GC 41-605-77), PROFILE PRIMA 80E (GC 41-605-74), PROFILE PRIMA 80E - LPG (GC 41-605-78)
manualmanualPOTTERTON appliance manual — PUMA 100 E SIT / HONEYWELL CONTROLS (GC 47-590-13)
manualmanualPOTTERTON appliance manual — PUMA 80 E SIT / HONEYWELL CONTROLS (GC 47-590-11), PUMA 80 SIT / HONEYWELL CONTROLS (GC 47-590-10)
manualmanualPOTTERTON appliance manual — SUPRIMA 100 (GC 41-607-82)
manualmanualPOTTERTON appliance manual — SUPRIMA 100 L (GC 41-590-48), SUPRIMA 30 L (GC 41-590-42), SUPRIMA 40 L (GC 41-590-43), SUPRIMA 50 L (GC 41-590-44), SUPRIMA 60 L (GC 41-590-45), SUPRIMA 70 L (GC 41-590-46), SUPRIMA 80 L (GC 41-590-47)
manualmanualPOTTERTON appliance manual — SUPRIMA 30 (GC 41-607-75), SUPRIMA 40 (GC 41-607-76), SUPRIMA 50 (GC 41-607-77), SUPRIMA 60 (GC 41-607-78), SUPRIMA 70 (GC 41-607-79), SUPRIMA 80 (GC 41-607-80)
manualmanualPOTTERTON appliance manual — SUPRIMA 30 HE (GC 41-075-35), SUPRIMA 40 HE (GC 41-075-36), SUPRIMA 50 HE (GC 41-075-37), SUPRIMA 60 HE (GC 41-075-38), SUPRIMA 70 HE (GC 41-075-39), SUPRIMA 80 HE (GC 41-075-40)
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Not sure which part?
Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.