6642VT Flame Safeguard, single burner with purge timer by Protectofier
This Protection Controls flame safety module is one of the most popular. Due to its component build it is easily repaired if something goes bad. The 6642VT is a single burner unit and includes a timofier. This cycle timing unit provides for both the purge timing and the trial for ignition timing. The timofier is replacable with different timing sequences.
Fixed Timing ProtectofierThis model has a timofier module plug in that sets the purge time
The timofier provides purge time and ignition trial time. The ignition trial time is deducted from the motor time cycle (1/2, 1, 1-1/4, 2, 3, 4, and 6 minutes available for manual and automatic models; 10 minutes for manual model only) to purge the time.Standard ignition trial time is 15 seconds. Also available in 10-second and 5-second trial time.Specify both purge and ignition times.
Purge time shall allow system to have a minimum of four fresh air changes.