🍳 NFPA 54 Commercial Cooking (Cookline Diversity Factor 60%-75%, Total MBH Sizing)

Kitchen Gas Manifold Calculator

Size low-pressure (7" to 14" WC) gas supply manifolds feeding commercial restaurant cooklines under NFPA 54: calculate simultaneous appliance demand using realistic cooking diversity factors (60% to 75% for multi-appliance battery lines), calculate pipe diameter in Schedule 40 black iron, size quick-disconnect flexible hoses, and commercial gas piping margins.

1. Project & Operating Inputs

Total Connected Appliance Input (MBH e.g. 1,200 MBH Fryers & Ranges)

Cooking Line Diversity Factor (% e.g. 70.0% Commercial Diversity)

Customer Bid Price for Supplied & Piped Black Iron Cookline Manifold ($)

2" Sch 40 Steel Pipe, Dormont Quick-Disconnect Hoses, Gas Valves & Plumber ($)

2. Financial Breakdown & Yield

NFPA 54 KITCHEN GAS MANIFOLDS

Turnkey Kitchen Gas Piping Profit

Restaurant Plumbing Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost