Water Mizer Water Saving and Tempering Device for Steam Sterilizers
$2,600.00
Description
The Water-Mizer™ is a water saving and discharge-tempering device engineered for bulk steam sterilizers and autoclaves. It is designed to reduce excessive water consumption while ensuring discharged condensate meets municipal sewer temperature regulations of 140°F (60°C) or less.
The Problem It Solves
Most steam sterilizers rely on continuous cold-water flow to cool steam condensate before discharge—often running 50 to 100 gallons per hour, even when the sterilizer is idle. This results in unnecessary water waste and increased utility costs, with hospitals and facilities billed for both incoming water and sewer discharge at rates that can range from $2.00 to $10.00 per hundred cubic feet (748 gallons).
How the Water-Mizer Works
The Water-Mizer™ replaces continuous tempering with a temperature-actuated, demand-based system:
- Steam condensate enters the unit from the sterilizer
- A built-in temperature sensor monitors discharge temperature
- Cold water is applied only when needed to reduce temperature
- Discharged water exits at 140°F (60°C) or below, safe for sewer systems
- A vacuum breaker prevents backflow into potable water lines
Because the system is non-electrical, it requires no wiring and operates completely independent of sterilizer controls.
Water & Cost Savings
Facilities using the Water-Mizer typically see 75%–90% reduction in water usage related to sterilizer tempering. In controlled testing:
- Water usage dropped from 49.3 gallons/hour to 3.7 gallons/hour
- Net savings of 45.6 gallons per hour per sterilizer
In real-world installations, facilities have reported:
- Tens of thousands of gallons saved per day
- Millions of gallons saved annually
- Return on investment in under one year, with some installations achieving payback in just months depending on local utility rates
Installation & Compatibility
- Compatible with the majority of bulk steam sterilizers
- Compact, space-efficient design fits neatly beneath equipment
- Can be frame-mounted or installed on an adjustable floor stand
- Requires minimal piping and fittings for installation
Key Benefits
- Reduces water consumption by up to 90%
- Helps facilities comply with sewer discharge regulations
- Eliminates unnecessary water flow during standby cycles
- Non-electrical, mechanical operation
- Independent of sterilizer control systems
- Proven performance in hospital and research environments
- Environmentally responsible and cost-effective
Technical Specifications
- Cold Water Inlet: 3/8″ FPT
- Hot Water Inlet: 1″ FPT
- Auxiliary Port: 1/2″ FPT
- Tempered Water Outlet: 2″ MPT
- Maximum Discharge Temperature: 140°F (60°C)
- Mounting Hole Size: 5/16″
- Mounting Hole Spacing: 4″ and 7″ center-to-center
- Adjustable Height (with floor stand): 10-1/4″ to 22-1/4″
Ideal Applications
- Hospital central sterile departments
- Bulk steam sterilizers
- Autoclaves and reprocessing systems
- Medical, laboratory, and research facilities
- Any facility seeking water conservation and utility cost reduction








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