Brochure

Gastite Division, Titeflex Corporation
1116 Vaughn Parkway / Portland, TN 37148
800.662.0208 / www.gastite.com / [e-mail]
42
April 2015
Section 3: System Configuration
3.2.12 Example 11 - Commercial Hybrid System – 7"WC (continued)
SIZING RUN “F4”
• Run “F4” is sized by the load of the supplied appliances and the run length from the meter to the supplied appliance
• e load of the fireplace is 25CFH
• e run length to the fireplace is 5 + 10 + 10 + 10 + 25 = 60ft
• Referring to Table 7-4 (2"WC pressure drop) for a 60ft run, 3/8" CSST has a capacity over 25CFH (Check against
fireplace sizing)
• Referring to Table 4-6 (Fireplace Sizing), 1/2" CSST has a capacity over 25CFH (actual: 76)
• Using the larger result, this run will be sized to 1/2" CSST
SIZING RUN “G4”
• Run “G4” is sized by the load of the supplied appliances and the run length from the meter to the supplied appliance
• e load of the water heater is 50CFH
• e run length to the water heater is 5 + 10 + 10 + 10 + 15 = 50ft
• Referring to Table 7-4 (2"WC pressure drop) for a 50ft run, 1/2" CSST has a capacity over 50CFH (actual: 83)