Get current pricing for Dayton, 3.00E+229 Dayton Warehouse Space Heaters. 100,000 Btu/hr. Output. 125,000 Btu/hr Natural Gas Input. 115v/60hz/1 Phase/3.6a. Models 3e229 (1), 3e229a (4), 3e229b . Product Category: Process Equipment, Sub Category: Process Miscellaneous: