I've dug a bit through the forums and I haven't seen anybody address this question. What is the ideal range duty cycle for using PIDs to run typical gas furnace valves like the Honeywell VR8200? How long is too long causing oscillating temperatures and what is too fast causing damage to you're...
I stumbled across this the other day and I was wondering what the various experts out there had to say about the Robertshaw 785-001 as an alternative direct spark ignitor. Obviously it is less safe than a Honeywell ignition control module, but it seems like a good alternative for those who are...
