The Ironmen ran in six tries in the first half and then five more in the second at Dol Wiber in what turned into another crushing win.
Jack Perkins and Jack Kathrens both helped themselves to try braces with Daf Land, Ellis Shipp, Finn Baker, Ryan Hughes, Daniel Phillips and Dafydd Thomas also getting their names on the scoresheet.
This latest victory means Merthyr have maximum points and have scored a total of 196 points across their three wins so far. They are now five points clear of Ystrad Rhondda at the top of the table.
Next up is a home clash this weekend with Ystrad Rhondda, who bounced back from a heavy defeat at Cardiff Met with a 38-35 bonus-point home win over Bonymaen to move into second spot.
Liam Wiggins’ bagged a brace with Josh Willams, Logan Hutchings, Jarrad Llewellyn and Iestyn Griffiths the other Ystrad try scorers. Lewis Williams added four conversions.
Meanwhile, having started the season with back-to-back wins, Newbridge slipped to their first defeat of the campaign as they were beaten 25-13 at home by Neath.
Ki Morgan, twice, and Kieran Charles scored the Neath tries. Steff Williams kicked two conversions and two penalties. Stuart Vokes got the Newbridge try, converted by Eamon Rees. There was also a penalty each from Rees and Robbie Turley.
Pontypridd made it two wins from two – but were made to work hard for it at Llangennech, only coming away narrow 14-13 victors. Skipper Cally James and Joe Miles scored tries, with Jacob Symes and Sam Talbot adding the respective conversions, while Steff Marshall scored all of the hosts’ points, converting his own try and kicking two penalties.
Bargoed were 19-0 home victors’ over Narberth, while Brecon recorded their first league victory 40-27 at Cross Keys. Ryan Davies, Aneurin James, Geraint Clarke and a penalty try secured maximum points for Brecon.
Jake Newman added three conversions and four penalties for the visitors, while Adam Tetley kicked 17 points for Keys and Corey Nicholls and Kieran Vodden grabbed tries.
