WH-T and HWP Series Water Heaters
WH-T Series
The Sioux WH-T Water Heater combines either the 1 MBTU or the 1.7 MBTU water heater of the WH Series with an atmospherically-vented water tank. The unit has a single stage centrifugal pump with a 3 HP motor to circulate water through the heat exchanger, and one with a 5 HP motor capable of 120 GPM @ 60 ft of head to discharge water. The unique stacked design of the units are ideal for customers that desire a complete system that is preplumbed and easily installed in their operation but do not have the need or space for a larger storage tank.
The WHC models come with a carbon steel heat exchanger and storage tank. The WHS models come with a stainless steel heat exchanger, storage tank, and non-ferrous wetted parts.
Features include:
- Tank liquid level sensors and make-up water solenoid valve.
- Liquid level sight gauge.
- Thermometer.
- 1/2" inlet port and 115-volt GFI receptacle to easily incorporate the chemical metering pump for Sioux Clean water treatment.
- 4-way access fork pockets
- 360 gallon tank capacity
WH Series HWP
If you need a larger water tank, Sioux offers the NextGen HWP with a 1MBTU/Hr WH Series water heater and a 1,000 gallon atmospherically vented water tank. A single stage centrifugal pump with a 3-HP motor is included for circulation through the heat exchanger and a single stage centrifugal pump with a 7.5-HP motor capable of 180 GPM @ 90 ft of head for the discharge pump. Connect the inlet and outlet water, plus utilities, and you are ready to make hot water.
The WHC models come with a carbon steel heat exchanger and storage tank. The WHS models come with a stainless steel heat exchanger, storage tank, and non-ferrous wetted parts.
Features include:
- Tank liquid level sensors and make-up water solenoid valve.
- Liquid level sight gauge.
- Thermometer.
- Inspection port.
- 4-way access fork pockets
- Additional ports to connect an additional appliance such as a chiller or discharge pump.
- 1/2" inlet port and 115-volt GFI receptacle to easily incorporate the chemical metering pump for Sioux Clean water treatment.
- Optional insulation package available.
M Series HWP
The Sioux M-Series HWP Water Heater combines the rugged 1 Million BTU/Hr water heater of the M Series with a 1,000 gallon (3,784.3 liter) atmospherically-vented carbon steel water tank. The unit has a multi-stage centrifugal pump with 3 HP motor to circulate water through the heat exchanger and a 5-HP motor with a single stage centrifugal pump capable of 150 GPM @ 60 ft of head for discharge water.
Features include:
- Tank liquid level sensors and make-up water solenoid valve.
- Liquid level sight gauge.
- Thermometer.
- Inspection port.
- 1/2" inlet port and 115-volt GFI receptacle to easily incorporate the chemical metering pump for Sioux Clean water treatment.
- Available in a stainless steel option.
- Optional insulation package available.
Certifications & Standards
- Third party approved to UL508A and CAN/CSA-C22.2 No. 14-10, ensuring that the entire control panel assembly meets the UL and CSA standards.
- Sioux water heater heat exchangers are built to Section IV of ASME Code and are registered with the National Board of Boiler and Pressure Vessel Inspectors.
- Canadian Registration Number (CRN)

