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4 vertical venting, 5 unvented operation tube termination, Figure 22: tube termination – Roberts Gorden Vantage twin Fire Unitary Infrared Heater TF-250 User Manual

Page 44: 6 length requirements, 7 horizontal ventilation 4" (10 cm) pipe

4 vertical venting, 5 unvented operation tube termination, Figure 22: tube termination | 6 length requirements, 7 horizontal ventilation 4" (10 cm) pipe | Roberts Gorden Vantage twin Fire Unitary Infrared Heater TF-250 User Manual | Page 44 / 72 4 vertical venting, 5 unvented operation tube termination, Figure 22: tube termination | 6 length requirements, 7 horizontal ventilation 4" (10 cm) pipe | Roberts Gorden Vantage twin Fire Unitary Infrared Heater TF-250 User Manual | Page 44 / 72