supply of relay ac immune plug in type style qnna1 dc neutral line 24v 2x6f 2b contact s each for lh and rh front and back contacts metal to carbon with plug board retaining clip connectors confo rming to brs 960 irs s 60 irs s 34 and irs ss 23 as applicable the interlocking code for this unit shall be cdehx warranty period 30 months after the date of delivery