🔥 ASPE Domestic Hot Water (Copper Piping Heat Loss BTU/hr, Return GPM & 120°F Delivery)

DHW Recirculation Loop Calculator

Size continuously circulating Domestic Hot Water (DHW) return pumps under ASPE Design Manual: calculate total thermal heat dissipation through insulated copper distribution risers (BTU/hr), determine circulating return flow rate (GPM to maintain water temperature strictly ≥120°F [49°C] at farthest fixture to prevent Legionella growth), and plumbing profits.

1. Project & Operating Inputs

DHW Supply Pipe Length (Linear Feet e.g. 2,400 Linear Feet Insulated Pipe)

Allowable Temperature Drop (°F e.g. 10.0°F Maximum Allowable Drop)

Customer Bid Price for Supplied & Piped Recirculation Skid ($)

Taco Bronze Smart Circulator, Circuit Setter Balancing Valves, Plumber ($)

2. Financial Breakdown & Yield

ASPE DHW RECIRCULATION

Turnkey DHW Recirculation Package Profit

Commercial Hot Water Systems Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost