Model TWBS.EW.H

Model TWBS.EW.H

U.S. List Price: $4676.00

Pricing Terms

Model TWBS.EW.H, prepackaged instantaneous electrical water heater, 480 VAC/3 phase/18 KW, fully engineered and tested system with fail-safe features to produce up to 5 gpm tempered water for eye washes.

Model TWBS.EW.H Product Details

Model TWBS.EW.H An 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 25 °F (14°C) at 5 gpm flow and 61°F (34°C) at 2.0 gpm; thus it is suitable for single eyewash application. Outlet water temperature is factory set at 80 °F (26 °C).

  • 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 18 KW electrical instantaneous water heater, a hot shutoff valve, a bypass valve, an in-line 50-micron filter, and an outlet temperature gauge.
  • Maximum inlet pressure: 125 psi. Inlet and Outlet: 1/2" IPS.
  • Electrical Supply: 480/277 VAC, 3-phase, 4 wire and ground. 25 amp electrical supply. (480 VAC, 3-phase, 3 wire and ground available as special order).
  • For indoor use only.

Buy America Act Information

The vast majority of Haws products qualify under the terms of the act. However, since different purchases often require subtly different responses, Haws recommends that the specific document requesting certification be sent to customer service for a specific answer.

Model TWBS.EW.H Components

Bypass Valve
Part 0006600051 bronze pressure relief valve opens when pressure differential reaches 25 psi or above. Allows cold water to bypass mixing valve. 1/2" IPS.

Hot shut-off valve
Part 0006599800 Type 304 Stainless Steel valve shuts off when water temperature exceeds 95°F (35°C). Valve reopens when water temperture falls below 85°F (29°C). 1/2" IPS.

Test This Week Tag
SP170 is a green waterproof test card with space for date and initials of inspector. Used to record weekly testing of emergency equipment.

In-Line Strainer
Model SP502 brass in-line Y water strainer. 1/2" IPS.

Model TWBS.EW.H Options & Accessories

Model TWBS.EW.H Downloads

Cleaning & Maintenance

There are no cleaning and maintenance instructions for this model. Please contact Haws' Technical Department at 800-766-5612 for instructions.

Model TWBS.EW.H Sample Specifications

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 as much as 45 °F (25 °C) at 2.5 gpm flow; thus it is suitable for single eyewash application. Outlet water temperature is factory set at 80 °F (26 °C). System consists of an 18 KW electrical instantaneous water heater, a hot shutoff valve, a bypass valve, an in-line 50-micron filter, and an outlet temperature gauge. Maximum inlet pressure: 125 psi. Inlet and Outlet: 1/2" IPS. Electrical Supply: 480/277 VAC, 3-phase, 4 wire and ground. 25 amp electrical supply. (480 VAC, 3-phase, 3 wire and ground available as special order). FOR INDOOR USE ONLY.