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Load image into Gallery viewer, DS 1100 Aqua-Gem Boiler -- 100,000BTU Hand Fired
Load image into Gallery viewer, DS 1100 Aqua-Gem Boiler -- 100,000BTU Hand Fired
Load image into Gallery viewer, DS 1100 Aqua-Gem Boiler -- 100,000BTU Hand Fired

SKU: DS1100-1

DS 1100 Aqua-Gem Boiler -- 100,000BTU Hand Fired

Vendor DS
Venting/Jacket Options:
4GPM Domestic Water Coil:
This is a pre order item. We will ship it when it comes in stock.

Model # 1100

Models# 1100, 3200, 4200

DS does not allow us to advertise pricing online. Please send us a message or call for pricing.

Due to customization options, DS Boilers are not a stocked item. They are built to order and will require a 3-8 week lead time from date of order.

DS has over 30 years of experience in designing and engineering boilers. This hydronic system is a whole heating solution that requires no electricity to heat water for floor heating, baseboard, freestanding radiators, heat pumps, or domestic water. It works well with new or existing oil or electric boilers. DS boilers circulate water in the front to prevent cracking. Each unit is pressure tested to 120 PSI and has a powerful heat exchanger for maximum efficiency. Constructed from 1/4” steel, the Aqua-Gem boiler easily maintains water temperature and features a large capacity ash pan. All DS boilers are designed with the best-cast iron grate system and built to last.

  • Burns anthracite
  • Safety tested to U.L. standards
  • Secondary combustion system
  • Heavy-duty cast iron grate system with external shaker handle
  • 1/2” NPT fitting for temperature pressure gauge
  • 3/4” NPT fitting for ASME pressure relief valve
  • 3/4” NPT fitting for Aquastat
  • 3/4” fitting for automatic draft regulator
  • Large 6” high ash pan
  • Optional 4- or 5-gallon-per-minute domestic water coil
  • Optional forced draft
  • Optional insulation/sheet metal cabinet
  • Made in the U.S.A.

Fuel: Nut or Stove Coal

Heating area: 1000-2400 sq. ft.

Efficiency: 78%

BTU: 100,000

Firebox Size (WxDxH) 16.5” x 19” x 20”

Firebox Volume: 3.6 cu. ft.

Overall Size (WxDxH) 23.5” x 25” x 49.5”

Load door size (WxH): 11” x 12”

Ash door size (WxH) 16.5” x 9”

Top exhaust (standard) 6”

Rear exhaust (optional) 6”- 39” high to center of flue

Water Capacity: 27 Gallons

Inlet/Outlet: 4 - 1.25”

UL Tested Yes*

Weight: 800 lbs.

Insulated Jacket: Optional

Warranty: 5-year limited 1-year controls


All boilers include: Hot water draft regulator, 30# relief valve, water temp/pressure gauge, 3/4" boiler drain.