Important Information Regarding Flood Damaged Heating Equipment

Residential Boilers - Gas Boilers Series DE™ Boiler

The Series DE™ boiler comes fully packaged and ready-to-install and is designed for installations with a conventional chimney or direct, through-the-wall venting. The boiler is constructed with more cast iron than other brands for more durability.  As with all Peerless® brand hot water, cast iron boilers, a low-water cutoff is provided as standard equipment for safe operation. The Series DE™ boiler is backed by one of the best warranties in the industry.

Product Details:

Type: Residential
Construction: Cast Iron
Fuel: Gas-Fired (Natural or LP)
Input: 70 to 165 MBH
Output: 58 to 136 MBH
Venting: Direct Exhaust or Chimney
Trim: Water
Ignition: Spark Pilot

AHRI Member


Series DE™ Water Content, gal
Model Number Input, MBH Heating Capacity3, MBH Net Ratings Water1,2, MBH  AFUE3,%
DE-03 70 58 50 82.1 4.72
DE-04 105 87 76 82.0 6.00
DE-05 140 116 101 82.0 7.28
DE-06 165 136 118 82.0 8.56
  1. Net water ratings based on an allowance of 1.15.
  2. Consult factory before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.
  3. Heating Capacity and Annual Fuel Utilization Efficiency (AFUE) ratings are based on U.S. Government test.

Series PSCII™ Boiler Dimensions

Boiler Model Number Jacket Depth “A” Jacket Width “B” Jacket Height “C”
26-5/8″ 12-1/2″