It is now 13 straight league wins for 1876 as they moved eight points clear at the Gwynedd League peak on Monday night.
Cian Williams broke the deadlock from close range in the 10th minute, Shaun Lock providing the assist.
Les Davies used his head to good effect to double the lead in the 27th minute.
And before half time Dylan Summers-Jones made it 3-0 with his 35th goal of the campaign.
Summers-Jones has now scored in eight successive games, netting 16 goals in that period.
Waunfawr battled hard in the second half but conceded one more goal before the end, Sion Parry opening his account for the club.
Jan 6: Waunfawr (h – GL) 4-0 (Cian Williams, Davies, Summers-Jones, Sion Parry)
Jan 4: Glantraeth (a – GL) 4-0 (Johnston, Summers-Jones, Petrie, Ben Owen)
Dec 28: Bontnewydd (h – GL) 13-2 (M Lock, Summers-Jones 5, Davies 3, Petrie, Barry, Steele, Lundstram)
Dec 21: Llanystumdwy (h – GL) 6-0 (Lundstram, Johnston, S Lock, Petrie, Summers-Jones, 1 OG)
Dec 14: Caergybi (a – GL) 6-0 (Cian Williams, Petrie 2, Lundstram, Summers-Jones)
Dec 7: Trearddur Bay Bulls (a – GL) 2-1 (Summers-Jones 2)
Nov 30: Llanfairfechan Town (h – NWCFA Junior Cup R2) 4-1 (Dylan Williams, Summers-Jones 2, Petrie) aet
Nov 16: Llanystumdwy (Bob Owen Memorial Shield) 13-0 (Petrie 3, Summers-Jones 3, Davies 2, Dylan Williams, S Lock, Michael Johnston, Cian Williams, Luke Steele)
Nov 9: Ruthin Town (h – Welsh Cup R2) 0-2
Nov 2: Llanrwst United (a – FAW Trophy R3) 1-4 (Lundstram)
Oct 19: Penycae (a – WC R1) 3-3 (Petrie 2 pens, M Lock) aet – won 3-2 pens
Oct 15: Bethesda Ath (h – GL) 14-0 (Petrie 5, Summers-Jones 3, Davies 2, Dion Jones 2, C Williams, Barry)
Oct 12: Llanelwy Athletic (a – NWCFA Junior Cup) 3-1 (D Williams, Steele, Lundstram)
Oct 8: Llannerchymedd (h – GL) 12-0 (Summers-Jones 4, Petrie 3, Davies 2, Lloyd-Jones 2, Dafydd Thomas)
Sep 28: Penrhyndeudraeth (h – WC QR2) 6-2 (Davies 4, Summers-Jones 2)
Sep 21: Talysarn Celts (a – GL) 4-2 (Dylan Williams, Davies, Petrie 2, 1 pen)
Sep 14: Pwllheli (h – FAW Trophy) 3-1 (Lloyd-Jones 2, Barry)
Aug 31: Llandudno Athletic (h – WC) 4-1 (Petrie pen, Barry, C Williams, Summers-Jones)
Aug 26: Llangoed (a – GL) 5-0 (Petrie 3, 1 pen, Davies, Owens)
Aug 24: Nefyn United (h – GL) 3-1 (Petrie 2, 1 pen, Davies)
Aug 19: Caergybi (h – GL) 10-0 (Summers-Jones 3, Lloyd-Jones 2, Petrie 2, C Williams, Barry, Owens)
Aug 17: Sychdyn (h – FAW Trophy) 5-1 (Summers-Jones 3, Petrie 2 pens)
Aug 10: Ogwen Tigers (a – GL) 4-1 (Summers-Jones 2, Petrie, Lundstram)
Match record
League: P 13 W 13 D 0 L 0 GF 87 GA 7
Cup: P 10 W 8 D 0 L 2 GF 42 GA 16
Goalscorers (129)
35 – Dylan Summers-Jones
33 – Jamie Petrie
17 – Les Davies
6 – Benn Lundstram, Jos Lloyd-Jones, Cian Williams
5 – Cameron Barry
4 – Dylan Williams
3 – Luke Steele, Michael Johnston
2 – Dion Jones, Matt Lock, Shaun Lock
1 – Leon Owens, Dafydd Thomas, Ben Owen, Sion Parry, 1 own goal
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