12″ & 14″ 150# FLANGED IMMERSION HEATERS STANDARD SIZES <–8″ & 10″ – 150# FLANGED IMMERSION HEATERS STANDARD SIZES FLANGED IMMERSION HEATERS -> 12″ – 150# Standard Flange Immersion Heaters 48 Watts per sq. inch - Water & Mild Solutions22 Watts per sq. inch - Light wt. oils, caustics, air, & gases13 Watts per sq. inch – Med. wt. oils, No. 4 & 5 fuel oil, corrosives, air & gases8 Watts per sq. inch – Heavy oils, #6 & Bunker C fuel oils, air & gases 14″ – 150# Standard Flange Immersion Heaters 48 Watts per sq. inch - Water & Mild Solutions22 Watts per sq. inch - Light wt. oils, caustics, air, & gases13 Watts per sq. inch – Med. wt. oils, No. 4 & 5 fuel oil, corrosives, air & gases8 Watts per sq. inch – Heavy oils, #6 & Bunker C fuel oils, air & gases CONTACT US GET A QUOTE