Tune Up Guides

EK1 69,000 to 129,000 BTU/HR

Product Data & Illustrated Tune-up Guide

Specifications: EK1 FRONTIER Front Service

Input Gross Output AFUE Product Sheet Tune-up Guide
Natural Gas 69,000 BTU/HR 86% Natural Gas/Propane View
Natural Gas 85,000 BTU/ HR 85%
Natural Gas 101,000 BTU/HR 85%
Natural Gas 125,000 BTU/ HR 83%
Propane 70,000 BTU/HR 88%
Propane 88,000 BTU/HR 88%
Propane 105,000 BTU/HR 87%
Propane 129,000 BTU/HR 86%
Oil Heat 85,000 BTU/HR 87.9% Oil Heat View
Oil Heat 90,000 BTU/HR 87.7%
Oil Heat 104,000 BTU/HR 87.5%
Oil Heat 121,000 BTU/HR 86.2%

EK1 Energy Converter Total Weight: 270 lbs.
EK1 Total System Weight 450 lbs.
EK1 Dimensions: 24.5″L x 17.5″W x 26.5″H
EK1 Storage Tank: 115 lbs. 40 gal standard, up to 120 gal available
EK1 Domestic Water: 195 gal/per hour (77ºF rise in temperature)

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EK1 Frontier - Front Service
EK1 Frontier
Front Service
EK1 Frontier - Stackable
EK1 Frontier
Stackable

Specifications: EK1 FRONTIER Rear Service

Input Gross Output AFUE Product Sheet Tune-up Guide
Oil Heat 104,000 BTU/HR 87.5% Oil Heat View
Oil Heat 121,000 BTU/HR 86.2%

EK1 Energy Converter Total Weight: 270 lbs.
EK1 Total System Weight 450 lbs.
EK1 Dimensions: 24.5″L x 17.5″W x 26.5″H
EK1 Storage Tank: 115 lbs. 40 gal standard, up to 120 gal available
EK1 Domestic Water: 195 gal/per hour (77°F rise in temperature)

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EK1 - Rear Service
EK1 Frontier
Rear Service
For low clearance and crawl space applications

EK2 149,500 to 209,000 BTU/HR

Product Data & Illustrated Tune-up Guide

Specifications: EK2 FRONTIER Front Service

Input Gross Output AFUE Product Sheet Tune-up Guide
Natural Gas 149,500 BTU/HR 85% Natural Gas/Propane View
Natural Gas 168,500 BTU/HR 84%
Natural Gas 187,500 BTU/HR 83%
Natural Gas 204,500 BTU/HR 82%
Propane 153,000 BTU/HR 87%
Propane 173,000 BTU/HR 87%
Propane 192,000 BTU/HR 85%
Propane 209,000 BTU/HR 84%
Oil Heat 149,500 BTU/HR 87.5% Oil Heat View
Oil Heat 175,000 BTU/HR 87%
Oil Heat 190,000 BTU/HR 85.5%
Oil Heat 206,000 BTU/HR 84%

EK2 Energy Converter Total Weight: 350 lbs.
EK2 Total System Weight 550 lbs.
EK2 Dimensions: 24.5″L x 24.75″W x 27.5″H
EK2 Storage Tank: 115 lbs. 40 gal standard, up to 120 gal available
EK2 Domestic Water: 350 gal/per hour (77°F rise in temperature)

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EK2 Frontier - Front Service
EK2 Frontier
Front Service
EK2 Frontier - Stackable
EK2 Frontier
Stackable

Specifications: EK2 FRONTIER Rear Service

Input Gross Output AFUE Product Sheet Tune-up Guide
Oil Heat 147,500 BTU/HR 87.6% Oil Heat View
Oil Heat 170,000 BTU/HR 87%
Oil Heat 206,000 BTU/HR 84%

EK2 Energy Converter Total Weight: 350 lbs.
EK2 Total System Weight 550 lbs.
EK2 Dimensions: 24.5L” x 24.75″W x 27.5″H
EK2 Storage Tank: 115 lbs. 40 gal standard, up to 120 gal available
EK2 Domestic Water: 350 gal/per hour (77°F rise in temperature)

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EK2 - Rear Service
EK2 Frontier
Rear Service

EK3 Up to 357,000 BTU/HR Gross Output

Product Data & Illustrated Tune-up Guide

Specifications: EK3 Natural Gas, Propane & Oil Heat

Input Gross Output AFUE Product Sheet Tune-up Guide
Natural Gas 255,000 BTU/HR 85% Natural Gas/Propane Coming Soon
Natural Gas 292,000 BTU/HR
Natural Gas 125,000 BTU/HR
Propane 260,000 BTU/HR 82%
Propane 299,000 BTU/HR
Propane 335,000 BTU/HR
Oil Heat 272,000 BTU/HR 86% Oil Heat Coming Soon
Oil Heat 313,000 BTU/HR
Oil Heat 357,000 BTU/HR

EK3 Total System Weight 650 lbs.
EK3 Dimensions: 50″L x 33″W x 39.75″H
Length front to back includes piping and burner box.
The EK3 is designed to fit thru a 34″ doorway

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EK3 Frontier - Front Service
EK3 Frontier
Front Service

Commercial Multiple Boiler Systems

Specifications: Commercial Multiple Boiler Systems

Boiler arrays are designed with EK2 or EK3 boilers, and are available with multiple boiler controls which stage fire in response to the heat load and optional distribution system Energy Recovery Controls (ERC). Each boiler is pre-piped and pre-wired; commerical controls include a manual reset low water cutoff, manual reset high limit, and National Board Listing. For product data and firing rates, refer to the EK2 and EK3 data sheets, and the multiple boiler tables below.

EK2 Boilers Gross Output
2-3 Boilers 400 MBTU/HR to 600 MBTU/HR
4-5 Boilers 800 MBTU/HR to 1000 MBTU/HR
6-7 Boilers 1200 MBTU/HR to 1400 MBTU/HR
8-9 Boilers 1600 MBTU/HR to 1800 MBTU/HR
10-12 Boilers 2000 MBTU/HR to 2400 MBTU/HR
EK3 Boilers Gross Output
2-3 Boilers 700 MBTU/HR to 600 MBTU/HR
4-5 Boilers 1400 MBTU/HR to 1000 MBTU/HR
6-7 Boilers 2100 MBTU/HR to 1400 MBTU/HR
8-9 Boilers 2800 MBTU/HR to 1800 MBTU/HR
10-12 Boilers 3500 MBTU/HR to 2400 MBTU/HR

Multiple unit installations for commercial applications are available with schematics upon request.
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Commercial Multiple Boiler Systems
Commercial Multiple Boiler Systems