Haws Instantaneous Water Heater - TWBS.EW.H
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Haws Instantaneous Water Heater - TWBS.EW.H
Prepackaged instantaneous electrical water heater, 480 VAC/3 phase/20 kW, fully engineered and tested system with fail-safe features to produce up to 6 gpm (22.7 L) tempered water for eye washes.
Haws Model TWBS.EW.H on-demand, prepackaged, fully engineered and tested tempering system to provide tempered water instantaneously. System is designed to increase cold water temperature by a minimum of 34 ° F (19 ° C) at 4 gpm (15.1 L) flow and 68 ° F (38 ° C) at 2.0 gpm (7.5 L); thus it is suitable for single eyewash application. Outlet water temperature is factory set at 80 ° F (26 ° C). System consists of a UL listed 20 KW electrical instantaneous water heater, a hot shutoff valve, a bypass valve, an in-line 50 x 50 mesh filter, and an outlet temperature gauge. Requires 45 - 90 psi (3 - 6 ATM) flowing pressure. Inlet and Outlet: 1/2" IPS. Electrical Supply: 480 VAC, 3-phase, 3 wire and ground. 24 Amp per Phase. FOR INDOOR USE ONLY.
- It is ideal for areas where supply water temperatures fall below 60 ° F (15 ° C) while hot water is not present
- System consists of an 20 KW electrical instantaneous water heater, a hot shutoff valve, a bypass valve, an in-line 50 x 50 mesh filter, and an outlet temperature gauge
- Requires 45 - 90 psi (3 - 6 ATM) flowing pressure
- Inlet and Outlet: 1/2" IPS.
- Electrical Supply: 480 VAC, 3-phase, 3 wire and ground. 24 amp per phase (optional 208/240 3-phase available - ask for quote).
- UL listed for indoor use only.
| Flow Rate | 4 gpm |
| Main Finish | |
| Hardware Finish | |
| Lead Time | 5 |
| Unit of Measure | EA |
| Length(in) | 6 |
| Width (in) | 12 |
| Height (in) | 35 |
| Weight (lbs) | 27 |
| Product Type | Eye Wash & Bottles |
|---|
Shipping
We Ship Internationally - We can ship to virtually any address in the world, with some restrictions on certain products.
Standard Delivery: Ground shipping typically delivers in approximately 5 business days from our Columbus, OH warehouse.
Expedited Options Available:
- Priority and Expedited handling speeds up processing
- Overnight shipping available (guaranteed) - must order by phone before 12pm EST M-F
- Some items ship "Manufacturer Direct" and cannot be expedited
Important: Inspect your delivery before signing! Note any damage on the shipping document.
Returns Policy
30-Day Return Window: Most new, unopened items can be returned within 30 days for a full refund.
Non-Returnable Items:
- Made-to-order fall protection products
- Used vacuums, respirators, gas monitors, or air scrubbers
- Calibration gas (hazardous material)
- PAPR and specialty respiratory items (non-stock)
Restocking Fee: 30% restocking fee or shipping costs apply if return is due to buyer error.
Refund Timeline: Expect refunds within 4 weeks, though many are processed faster.

