Originally Posted by TG Twinkie
My question would be. Will you use the detector to prevent the fan from running when it detects hydrogen gas? Would that not defeat the purpose of the fan. After all. Preventing the build up of gases is the purpose of ventilation.
I won't be using a hydrogen gas detector, but if I was I would wire it such that it turned on a fan to vent the compartment when hydrogen sulfide was detected (instead of just using a VSR to detect when the batteries are charging since gassing can occur during discharge as well).