Haney was the owner of a Coleman Powermate 5045 heater, which was purchased in The warning on the base of the heater states: “Follow instructions and .Coleman 5045A751 Heater Schematic. Coleman 5045A701 Heater Schematic USD .00. Add to Compare. Add to Wishlist. Coleman 5145B700T Lantern .Check the parts for this model are no longer available.Coleman Powermate 45000 BTU Propane Radiant Heater 5045A751 Vintage 1974 Coleman Model 513A Catalytic Heater Rated at 3000 - 5000 BTU .Results 1 - 24 of 102 Product Regular Price: .85. GENERATOR M500.: (0). Product Regular Price: .69.