❄️ Refrigeration Estimating — Module 4
Piping & Accessories • Suction/Liquid/Discharge • Traps • Oil • Valves
Overview
Route plans into linear footage and fittings using equivalent lengths. Note vertical lifts, traps, oil management, and special accessories (receivers, solenoids, driers, sight glasses).
Piping Takeoff Grid
| Line | Size | LF | Fittings (eq. ft) | Accessories |
|---|---|---|---|---|
S.F. Johnson Enterprises — Build. Learn. Preserve.