Diamond H Wiring Reference Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Diamond H Wiring Reference This topic has 2 replies, 2 voices, and was last updated 20 years ago by Dave_Conway. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts March 27, 2006 at 1:56 pm #16685 Dave_ConwayParticipant Pilot = S Line = P1 LoadA = 2 Neutral = P2 LoadB = 4 August 11, 2006 at 4:38 pm #171028 Dave_ConwayParticipant Re: Diamond H Wiring Reference 33ER3HT and 43ER105B1 Pilot = S2 Line = P1 Load A = 2 Neutral = 4 Load B = P2 Link wire for Pilot wire fits between P1-S1 NOT P1-4 as additional wiring diagram suggests January 7, 2008 at 1:44 pm #171029 kwattKeymaster Re: Diamond H Wiring Reference A full list of these is available from the following PDF: Energy Regulator Wiring PDF And, you can thank the lads at British Gas for this one. 😉 K. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) The topic ‘Diamond H Wiring Reference’ is closed to new replies.