Quickie 300 combustion chamber, Lynn 1003

Quickie 300 combustion chamber for wet-base boilers, one piece Kaowool construction, 1.75-2.25 firing rate, 12"H x 12"W x 18"L outside dimensions, 3/4" wall, pre-marked burner hole, for American Standard Arcoleader model A1-7, Crane Company Sunnyday model 15-6, Dunkirk Radiator 13 series model 138, Dunkirk Radiator 15 series model 715, National Radiator National-US Sunray IV models 6-19S, 6-19W, 7-19S and 7-19W, Utica Ace series models ACE-600 and ACE-700, Utica OU series models OU-600 and OU-700, Weil McLain 62 series model 762, instructions included, Lynn 1003