Eemax SPEX3512 FlowCo™ Point‑of‑Use Electric Tankless Water Heater
The Eemax FlowCo™ SPEX3512 offers instant, on-demand hot water for handwashing sinks and fixed-flow applications. Running on 120 V and rated at 3.5 kW, this compact heater mounts in any orientation and features InfoCue™ LED diagnostics and SafeStart™ dry-fire protection for reliable, low-maintenance operation. Designed for commercial and residential use, it provides efficient, tankless heating without the hassle of storage or standby energy loss.
| Feature |
Specification |
Benefit |
| Power Rating |
3.5 kW, 120 V, 29 A |
High-output point-of-use heating |
| Activation Flow Rate |
~0.3 GPM |
Quickly activates on low-flow fixtures |
| Maximum Flow Rate |
Up to 2 GPM |
Serves standard handwashing and bar fixtures |
| Energy Factor |
0.94 |
Very efficient energy usage |
| Mounting Orientation |
Any orientation |
Flexible placement in tight spaces |
| Dimensions |
~9.73″ H × 5.25″ W × 3″ D |
Ultra-compact form |
| Certifications |
UL, cULus, AHRI, ADA, NSF/ANSI 372 (low-lead) |
Meets modern safety and compliance standards |
| Cartridge Element |
Nickel-chrome, replaceable |
Easy maintenance and long-term reliability |
| Pressure Rating |
30–150 PSI dynamic |
Compatible with standard plumbing systems |
| Safety Features |
InfoCue™ LED, SafeStart™, high-temp limit switch |
Prevents dry-fire and communicates system status |
| Warranty |
5 years limited on leaks; 1 year on parts |
Extended coverage for peace of mind |
How It Works: On-Demand Heating Without Storage
Flow-Activated Control
Water flow at the faucet automatically activates the heater—no standby heat loss.
Intelligent Protection
InfoCue™ LEDs provide real-time status; SafeStart™ prevents dry activation; an internal limit switch guards against overheating.
Effortless Installation
Includes integral cold-water inlet and hot outlet via 3/8″ compression fittings—no mixing valves or additional piping needed.
Key Features
✓ Instant Hot Water — Eliminates waiting and storage tank inefficiencies
✓ Space-Saving Design — Ideal under sinks and in compact installations
✓ Flexible Mounting — Vertical, horizontal, or inverted placement supported
✓ Advanced Safety — Dry-fire prevention, thermal protection, and smart diagnostics
✓ Simple Plumbing — Single cold-water line needed with compression fitting
✓ Low-Lead Construction — Safe and code-compliant
✓ Made in USA — High-quality domestic manufacturing
Ideal Applications
✓ Handwashing lavatories (including sensor faucets)
✓ Commercial restrooms and bar sinks
✓ Breakroom or kitchenette sinks
✓ ADA-compliant or compact retrofit installs
✓ Mobile, modular, or auxiliary builds requiring on-demand heat
Performance Highlights
✓ Activates at ~0.3 GPM flow
✓ Delivers up to 2 GPM hot water
✓ Energy-efficient operation (EF ~0.94)
✓ Compact footprint fits tight spaces
✓ Smart safety systems for long-term reliability
✓ Flexible installation in any orientation
✓ Low-lead certified and ADA compliant
✓ Easy upkeep with replaceable heating cartridge
