Honeywell RM7840L-1075 Programmer is a Programming control for forced air burners, interrupted pilot, intermittent second-stage pilot valve, lockout interlocks, LHL-LF&HF proven purge. Required Components:Q7800A or B Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in…
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