HOT WATER HEATERS
An industrial quality unit designed for economically heating large volumes of domestic or process water for commercial and industrial applications.
UP TO 3,000,000 BTU (LOW NOx AVAILABLE)
LOW NOx AVAILABLE
VIEW ALL PARKER PRODUCTS
Never A Compromise
For Quality or Safety
The Parker Indirect Fired Water Heater is an industrial quality unit designed for economically heating large volumes of domestic or process water for commercial and industrial applications. The all bronze and copper heat transfer coil eliminates the possibility of rust throughout the water passages. The indirect principle of heating the process water with sealed-in primary water combined with controlled circulation minimizes the possibility of scaling within the heat transfer coil for low or high temperature applications.
Low NOx and Atmospheric Hot Water Heaters
Heaters up to 3,000,000 BTU
The Parker WH Model Indirect Fired Water Heater is an excellent choice for Low or High Temperature applications.
Atmospheric Hot Water Heater Certifications
All Parker Boiler Water Heaters are manufactured in accordance with the ASME Power & Heating Boiler Codes and registered with the National Board of Boiler and Pressure Vessel Inspectors. The standard natural gas fired model is furnished as an Underwriters Laboratories, Inc. Listed Gas Fired Boiler Assembly and displays this symbol on the nameplate. Outdoor, propane and Low NOx models are ETL listed. Canadian models are C-ETL Listed Industrial and Commercial Gas Fired Packaged Boilers certified to CAN/CGA 1-3.1 and UL 795.
Low NOx Hot Water Heater Certifications
All Parker Boiler Water Heaters are manufactured in accordance with the ASME Power & Heating Boiler Codes and registered with the National Board of Boiler and Pressure Vessel Inspectors. All individual gas and electrical controls are AGA certified or UL Listed. All models are ETL Listed as "Industrial and Commercial Gas Fired Packaged Boilers" and certified to UL795. Units are listed for potable water. All units are provided with trim and controls to meet ASME CSD-1 standards for "Controls & Safety Devices.
Safety
Our ASME tube bundle is extremely flexible and offers a long life with a 25 year warranty against thermal shock. No Parker Boiler has ever been known to experience an internal explosion.
Advantages (Low NOx Models Included)
Safety
Heat Transfer Coil
Simplicity
Efficiency
Uniform Heat Distribution
Low NOx
VFD/Premix System
Durable Low NOx Burners
Increased Life
Reduced Repair Cost
Stainless Steel Option
Staggered Tube Design
Codes
Heavy Duty Tubes
Heavy Insulated Cabinet
Indirect Fired Water Heater Indirect Fired Hot Water Heater Natural Thermal Circulating 300,000 to 3,000,000 BTU Gas Fired
Indirect Heating Principle & Diagram
The Basic Principle of indirect heating is accomplished by circulating the low temperature or circulating processed water through a copper tube heat transfer coil which is mounted internally and immersed in the primary Boiler water. The primary Boiler water is contained in a Bent Steel Tube Bundle and is heated in the furnace area, it rises to the upper header where the heat transfer into the secondary water occurs. The colder secondary water does not come into contact with high furnace temperatures or into contact with the flue gas at all. This eliminates any possibility of flue gas condensation which will occur on Direct Fired Heaters. Sweating and external corrosion of the Boiler Structure and tubes is essentially eliminated. The possibilities of scale, rust and corrosion are minimized by the indirect design principle. The furnace remains at a steady uniform temperature which results in high combustion efficiency and lower fuel consumption. This principle has proven more efficient and provides for a longer life as opposed to a direct system.
Laundries
Hotels
Apartments
Dairies
Food Processing
Hospitals
Schools
Swimming Pools
Water Source Heat Pumps
Low Temperature Process Water Applications
Pond Heating
Fish Farms
Radiant Heating
Nurseries
Indirect Fired Water Heater (Internal View)
Low NOx Premix Indirect Fired Hot Water Heater Natural Thermal Circulating 300,000 to 3,000,000 BTU Natural Gas or Propane Fired
Parker Boiler Premix Burner System
The Parker Boiler System consists of a burner bed of Heavy Duty Metal Fiber Burners (MFB). Through a gas/air premix manifold, the burners may be linked to a fully modulating blower mixer which offers precise control of combustion through the full range of modulation. Parker Boiler uses a variety of premix gas/air mixing & delivery systems for it's "L" System boilers. Parker Boiler's Low NOx Systems are typically designed for a 20 or 30 ppm level at 3% O2, however, special lower Low NOx boilers are available. In all cases, a Premixed gas/air is distributed to the burners by a manifold. By precisely controlling the gas/air ratio provided to the burners, Low NOx emission & efficient clean combustion is obtained.
Parker Boiler Premix Burner System 4 Variable Speed Drive Fan Post Mix System Siemens SKP - Controller
Parker Boiler Premix Burner System 5 Variable Speed Drive Fan Post Mix System Honeywell Valve/Venturi
NOTE: All drawing dimensions should be verified prior to installation. Due to continuous improvements and irregularities of purchased structural shapes and rounding, dimensions may vary and are subject to change without notice.If the model of the boiler you are looking for is not readily available here please contact Parker Boiler for more assistance at (323) 727-9800 from 8:00AM to 5:00PM (PST).
