Your Trusted Steam Partner
Browse Our Comprehensive Parts Collection
Welcome to our Products page, where you’ll find everything you need for steam heating systems. We offer high-quality products, trustworthy installation, and ongoing maintenance services. Our goal is to ensure you have the right parts and details to keep your systems running smoothly. Dive in to discover more.
Product Categories
Discover a variety of steam heating solutions tailored to your needs.
Steam Specialties
Steam Specialties are the building blocks of your steam heating system. We feature a full line of the highest quality Steam Specialties and have the know-how to match the specific part to your specific application.
Here are some of the Steam Specialty items available from our catalog:
- Thermostatic Traps
- Float and Thermostatic Traps
- Regulating Valves
- Orifice Plates
- Radiator Valves
- Adjustable Orifice Radiator Valves with/without Thermostatic Control (TRV)
- Address Specific Archived Radiator Orifice Balancing Schedules
- Inverted Bucket Traps
- Thermodynamic Traps
- Strainers
- Vacuum Breakers
- Repair Parts
Vari Vac
Vari-Vac® Systems supply steam at a rate and temperature that varies with changes in outside temperature and indoor requirements.
GS DUNHAM features a full range of Vari-Vac® products including:
- Vari-Vac® DCC1000 II Vari-Vac® Controller and DCC1000 III Vari-Vac EMS Control Panel
- Vari-Vac® Latest Generation Vari-Vac IV Altitude One IoT Control Panel with BACnet integration.
- Vari-Vac® Type RTMS Control Valve
- Vari-Vac® Outdoor Selector
- Vari-Vac® Heat Balancer
- Vari-Vac® C5 and E2 Differential Vacuum Heating Pumps Pumps
- Vari-Vac® SWRF-B and SWRF-C Adustable Oriface Balancing Valve
- Vari-Vac® Differential Controller
- Vari-Vac® Site Specific Balancing Schedules
Steam Heating Pumps
Steam Heating Pumps are an integral part of any system. Through our VentRite (MEPCO Pump Packages) product line, we cover a wide range of pumps including:
- Vacuum Pumps
- Differential Vacuum Pumps
- Condensation Pumps
- Boiler Feed Pumps
- Combination Boiler Feed Vacuum Pump Unit
- Air Line Pumps
- Pressure Operated Transfer Pumps
- Special Application Pump Packages
Heat Exchangers
Heat Exchangers are another key component in hydronic heating systems. Our relationship with ELGE® provides us with the best products for your system including:
- ELGE® Custom Packaged Heat Echanges
- ELGE® Waste Energy Recovery/Condensate Cooling System
Centrifugal Pumps
Designed to handle a wide range of applications, we provide a complete line of Centrifugal Pumps:
- Close Coupled Pumps
- In-Line Pumps
- Base Mounted Pumps
- Circulator Pumps
- Double Volute Pumps
- Regenerative Turbine Pumps
- Pump Repair Shop
Repair Parts
Repair parts for the complete product line
Application Manuals
See Resources page. Call for archived information.
Hydronic Specialties
G.S. DUNHAM also sells and supports hydronic, or water circulating, systems.
We feature a full line of Hydronic Specialties including:
- Expansion Tanks
- Converters
- Air Separators
- Pump Discharge Valve (PDV)
- Suction Diffusers
Ready to Transform Your Heating?
Discover how our steam solutions can enhance your operations. Reach out for guidance on the right products and services for your needs.