The WaterMaster 300 Commercial Stainless Sink

The is CALLAHEAD’s largest commercial sink providing 3 commercial grade sink basins to handle any size job large or small. It is the perfect solution to ensure outdoor special events including food festivals, concession stands, catered events, carnivals, fairs, fund raisers, food vendors or food markets as well as heavy duty work sites such as construction job sites or emergency service sites are health code compliant.

Durable to handle the toughest jobs, the can handle the cleaning of food, heavy duty cookware and utensils to cutting through grease, paints and solvents as well as mechanical parts and products alike for your hygienic protection. The is constructed of stainless steel making it easy to wipe clean and disinfect for your sanitary protection.

The sink requires 110 volt power connection, but if no electricity is available CALLAHEAD can supply our optional generator. Even if your job site or event has no running water, this one-of-a-kind commercial sink will be connected to the CALLAHEAD developed PORTABLE WATER AND SEWER SYSTEM supplying 150 gallons of fresh water. Or it can be easily hooked up to a domestic water line. Our completely separate grey water holding tank guarantees zero chance of any water contamination.

Available with our optional BOSCH HOT WATER HEATER the user has the added benefit of both hot and cold running water. A long neck 12” commercial grade faucet allows for water to reach all three large stainless steel sink basins for multiple cleaning stations.

Designed with a built in stainless steel work shelf makes this sink a complete working station to wash, rinse and dry. The is guaranteed to make special event organizers and construction job site operators confident of being health code compliant. The largest variety of quality portable sinks available exclusively from CALLAHEAD the leader in portable sanitation equipment.


Stainless Steel • Width: 75 3/8" • Length: 28" • Height: 43.25" • Sink Height: 36" • Sink Compartments: 17.75" x 17.75" • Drain Boards: 17" x 19" • Stainless Steel Shelf: 4.5" x 53" • Fresh Water Tank: 4'L x 3' W • Waste Water Tank: 48" L x 48" W x 16" H


Festivals • Street Fairs • Food Vendors • Outdoor Catering • Weddings • Parties • Food Feasts • Emergency Sites • Emergency Situations • Construction Job Sites • Ice Cream Vendors • Hot Dog Vendors • Carnivals • Farmers Markets • Fund Raisers • Marathons • Road Construction • Bridge Construction • Sporting Events • Corporate Events •


The Center for Disease Control (CDC) affirms, "Keeping hands clean is one of the most important steps we can take to avoid getting sick and spreading germs to others."

The Occupational Safety and Health Act (OSHA) require employers to provide adequate washing facilities for employees that work with contaminants that may be harmful.

The Association for Professionals in Infection Control and Epidemiology (APCI) position, "Although people usually think that germs are spread through the air, the fact is that germs are most easily spread through HAND CONTACT." AND "One of the best ways to avoid getting sick or spreading illness is to wash OR to decontaminate your hands."

The Center for Construction Research and Training (CPWR) states, "Lack of cleaning facilities on construction job sites increases the likelihood of dermatitis, caustic burns from extended contact with wet cement, or acid burns from muriatic acid or other hazardous agents that come in contact with the skin, and infection." The result, additional workers' compensation claims.

The Center for Disease Control (CDC) estimates that 36,000 people die from the flu or flu-like illness each year, and another 5,000 people die from food borne illness each year. And your best protection from this type of illness is frequent hand washing.


3 compartment stainless steel sink with separate drains to the grey water tank. • Completely separate grey water tank eliminating any water contamination. • 12" stainless steel faucet that easily reaches each compartment. • Large custom stainless steel shelf for added work space. • Clear polyethylene oval 150 gallon fresh water tank. • Black polyethylene 115 gallon waste water tank. • Mounted on 4" skids for sturdy placement. • Automatic shut off when water runs out. • Water pick-up strainer. • Hot water heater (optional). • Inline water filter. • Flow Jet pump.

BOSCH HOT WATER HEATER • 110 volt generator • CALLAHEAD supplied fresh water OR domestic water hook up •

THE ~ by CALLAHEAD ~ 1.800.634.2085