Plastic Systems, Inc.

Instant Hot Water Heaters, Boilers, & More

Plastic Systems, Inc. offers much more than reliable indoor air quality systems. Contact us today for additional information.

  Group Thermo

Ergomax heat exchangers feature 99% heat transfer, are square for smaller install footprints, and require no recovery.  They are double wall exempt, and have the industry’s best commercial warranty. Six models from 121 To 1,800 gph/unit, up To 190 degrees Fahrenheit.

HBX Control Systems, Inc.

CPU based programmable controls for boilers & chillers.  Used for staging, mixing, DHW, and dual systems.  Compatible with modulating boilers and geo systems, these feature data plotting, alarm status, and troubleshooting.  The modular design allows for up to 6 expansion modules.

Monitor Tankless Gas Water Heater

180,000 BTU INSTANT tankless hot water heater.  Available in natural gas and propane models; direct vent, indoor and outdoor models.  Features direct electronic ignition, digital remote controller, a quick response mode for rapid heating with a modulating burner, and up to 5.8 GPM.

Tamas Hydronics

Hydronic control panels for primary and secondary systems.  Featuring low and high temp zone panels, combination, and injection zone panels; and pre-piped, pre-wired printed circuit boards.

Watts Radiant

Floor heating, snow melting, and domestic PEX.  A full line of hydronic radiant accessories & manifolds, ONIX radiant tubing and radiant PEX tubing as well as SubRay radiant floor system, HeatWeave and WarmWire electric radiant floor.

Viessmann Boilers

Viessmann has a comprehensive line of high quality boilers, tanks and controls.  Boilers are sized for both residential and commercial, and available in oil fired, gas fired, wall-mounted condensing boilers, wood fired boilers, and commercial boilers of all types and sizes.Viessmann also provides indirect-fired domestic hot water tanks and solar tanks for a wide range of applications.  Viessmann controls provide options for digital boiler controls, mixing, burner and heating system controls..

Contact Us Today At 206-860-7970!

Plastic Systems, Inc.

6444 E Mercer Way
Mercer Island, WA 98040
Phone: (206) 860-7970
Fax: (206) 860-7990

Hours of Operation

7:30 a.m.–5:30 p.m.

Social Homes



California, Nevada,
Oregon, Washington,
Idaho, Montana, & Alaska