
Engineered for high-demand commercial environments, the Lochinvar Copper-Fin Lowboy 645 MBH water heater provides a robust solution for facilities requiring consistent hot water delivery. This unit, identifiable by part number 100140876, leverages a low-profile configuration specifically designed to fit into mechanical rooms with restricted overhead clearance without sacrificing output.
The system utilizes advanced heat transfer technology via its copper-finned heat exchanger, which promotes rapid thermal conductivity and sustained efficiency during heavy-use cycles. By utilizing high-capacity natural gas combustion, this heater ensures lower operational costs compared to electric alternatives while maintaining precise temperature control for large-scale commercial plumbing infrastructure.
Key System Performance Baselines:
- Heating Capacity: Delivers a consistent 645 MBH output for high-volume operations.
- Space Efficiency: Lowboy configuration allows for seamless integration into tight mechanical spaces.
- Energy Source: Optimized for natural gas operation to maximize cost-effectiveness.
- Commercial Durability: Engineered to meet rigorous performance standards for continuous-use facilities.
⚠️ Application Profile: Ideal for commercial kitchens, multi-family housing complexes, hospitality venues, and laundromats requiring reliable, high-capacity water heating in limited square footage.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 100140876 |
| Product Family | Copper-Fin Lowboy |
| Input Rating | 645 MBH |
| Fuel Type | Natural Gas |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.