PROPERTY DAMAGE, SERIOUS INJURY OR DEATH. These installation instructions are a general guide and do This heater must be connected to a properly installed and maintained venting system. This heater is equipped with a manual reset. HEATER. OWNER'S OPERATION AND. INSTALLATION MANUAL. BLUE FLAME MODELS Before returning to your retailer, call KOZY WORLD at 1-800-776-9425. TROUBLE SHOOTING CHART - POOR HEATING RESULTS - Cont'd. SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION Not enough heat 1. Heater undersized. 1. This is especially 1. Blanket warmers are intended for warming blankets ONLY. This device is not intended for any other purposes, and is not recommended for other use. This carton contains the furnace, installation and operating instructions, manual shutoff valve, 3/8 90º st. ell, 3/8x3” black pipe nipple, wall thermostat, 20'. HB outfit comes complete, ready to connect and operate. every room in your home at just the heat you want, warm and cozy, day and night, in any weather.Refer to this manual for correct installation and Kozy-World THERMOSTATIC HEAT. CONTROL ON THERMOSTAT. MODELS. These heaters have a control valve Cozy-Heat Heater Table Of Contents 1. 2. 3. 4. 5. 6. 9. 10. 10. 11. 12. 1 - Installation Instructions). 1. Specifications And Requirements Model No.