Market

Fuel

Heat

Exchan

ger

Cond

ensing

Heating

Med

ium

Efficiency

Heating

Med

ium

Efficiency

Heating

Med

ium

Efficiency

AtmosphericGas-FiredBoiler

AtmosphericGas-FiredBoiler

AtmosphericGas-FiredBoiler

AtmosphericGas-FiredBoiler

AtmosphericGas-FiredBoiler

AtmosphericGas-FiredBoiler

AtmosphericGas-FiredBoiler

AtmosphericGas-FiredBoiler

SealedCombustionGas-FiredBoiler

SealedCombustionGas-FiredBoiler

DirectExhaustGas-FiredBoiler

Gas-FiredBoilerDirectExhaustGas-Fired

Boiler

AtmosphericGas-FiredBoiler

Gas-FiredBoilerAtmosphericGas-FiredBoiler

CondensingGas-FiredCondensingBoiler

CondensingGas-FiredCondensingBoiler

Gas-FiredCondensingBoilerGas-FiredCondensing

BoilerGas-FiredCondensingBoilerAluminumHEX

Gas-FiredCondensingBoiler

Gas-FiredCondensingBoiler

Gas-FiredCondensingCombiBoiler

Gas-FiredCondensingCombiBoiler

Oil-FiredNearCondensingOil-FiredBoiler

Oil-FiredBoiler Oil-FiredSteamBoiler Oil-FiredBoiler

Oil-FiredBoiler Oil-FiredBoiler Oil-FiredBoiler

SealedCombustionOil-FiredBoiler

Oil-Fired3-PassBoiler Oil-Fired3-PassBoiler

Oil-FiredCondensingBoiler

IndirectStainlessSteelWaterHeater

IndirectStainlessSteelWaterHeater

IndirectCeramic-linedWaterHeater

IndirectStainlessSteelWaterHeater

PBHeat,LLC-Peerless U.S.Boiler-Burnham Weil-McLain

Reside

ntial

Gas

CastIron

Non

-con

densing

MI

82%

Water

CGa

(65MBHto163MBH) (70MBHto280MBH) (52to245MBH)

Serie

s2

82%

Water

CGa

82%-84%

(70MBHto260MBH) (37MBHto299MBH) (52to245MBH)

MI-8

5

85%

ES2

85%

(60MBHto150MBH) (70MBHto280MBH)

MIHII

84%

Serie

s3&X-2

84%

DE 82%

CGi

82%-85%

(70MBHto165MBH) 50to233MBH

PSCII

85%-86%

ESC

84%-85%

(65MBHto150MBH) (60MBHto243MBH)

PEG/EG

82%-84%

(89MBHto288MBH) (62MBHto385MBH) 75to299MBH

Cond

ensing

Cast92

90%

Water

X

Serie

s63

82%-83%

Steam

Inde

pend

ence

84%-85%

Wateror

Steam

(80MBHto180MBH) 70to399MBH

CombiPC-160

91% X

Aqua

Balance

UltraGas

91%-94%

(50MBHto300MBH) (80MBHto399MBH) 80to399MBH

X K2

93%to

95%

WM97&

Evergreen

95%-96%Water

GV-90

91%

(199MBH) 70to175MBH

PureFire

95%

Alpine

(126MBHto182MBH)

N/A

94%

(160MBH) 155MBH

Reside

ntial

Oil

CastIron

Non

-con

densing

WB9

0

90%

StainlessS

teel

95%

WBV

84%-87%

Wateror

Steam

V8H

81%-85%

EC/ECT

83%-86%

Steam

MegaSteam

86%

Water

WGO/W

TGO

85to

87%

(84MBHto273MBH) (105MBHto364MBH) (98MBHto357MBH)

SGO

83to

84%

(105MBHto420MBH) (105MBHto231MBH) (133MBHto357MBH)

Steam

Stainless

Steel

Cond

ensing

Pinn

acleOil

92% X X

WV-DV

84%86%

Water

UltraOil

(70MBHto84MBH)

Reside

ntial

N/A

Copp

er-

Nickel

N/A

Partne

r-PP

N/A

30to119Gallon

Stainless

Steel

Partne

r-PT

N/A

Water

Wateror

Steam

Water

Water

Wateror

Steam

Wateror

Steam

28to119Gallon 30to109Gallon

X

X

PVG

84%-85%

(70MBHto280MBH)

X X

X

Water

Water

Aqua

Plus

X

87%

(105MBHto182MBH) 112to196MBH

82%-84%

Water

Water

MPO

-IQ

87%

(84MBHto231MBH)

Water

Alliance

N/A

27to119Gallon