Home / Shop / Burners, Parts, and Accessories / Power Flame Type C / C4/C5 / APEM Potentiometer Knob, PFI 480560 APEM Potentiometer Knob, PFI 480560Call 780-955-2723 for pricing SKU: 10002334 Categories: C4/C5, Webster Tag: Webster Brand: Webster Description Description APEM MPKES90B1/4 Potentiometer Knob. 679-3545-ND PFI Part number 440450 Call for quote: 780-955-2723 or email info@arcticboilers.com Related products 6 Amp Low Peak Dual Element Time Delay Fuse, PFI 926140 Hauck, 3/8 inch Self-Cleaning Micro Oil Valve, PFI 262260 Power Flame, Universal Cabinet Latch, PFI 910500 Allanson Oil Ignition Transformer, PFI 321001