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Items 397-408 of 2494
Items Per Page
OptiTherm (2nd Gen) 100-gal, 
150MBH Modulating Condensing 
up to 99% Thermal Efficiency, 
Natural Gas-Fired, Commmercial 
Water Heater with Stealth 
Quiet operation (5-YEAR 
LIMITED WARRANTY)

Tank Type: Gas

OptiTherm (2nd Gen) 100-gal, 150MBH Modulating Condensing up to 99% Thermal Efficiency, Natural Gas-Fired, Commmercial Water Heater with Stealth Quiet operation (5-YEAR LIMITED WARRANTY)

BWHOT150N-2

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Bock OT199N OptiTherm comm gas-fired, condensing, water heater. 99 gallon glass-lined steel tank (Non-ASME), 60-to-199.9 MBH modulating nat gas input, up to 99% efficient. 120/1 blower assby, T&P valve, brass drain valve, no anode rod required, 5-year tank/1-year parts warranty. Power/direct vents w/ PVC or CPVC (not included). # 55805

Tank Type: Gas

Bock OT199N OptiTherm comm gas-fired, condensing, water heater. 99 gallon glass-lined steel tank (Non-ASME), 60-to-199.9 MBH modulating nat gas input, up to 99% efficient. 120/1 blower assby, T&P valve, brass drain valve, no anode rod required, 5-year tank/1-year parts warranty. Power/direct vents w/ PVC or CPVC (not included). # 55805

BWHOT199N

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OptiTherm (2nd Gen) 100-gal, 
199MBH Modulating Condensing 
up to 99% Thermal Efficiency, 
Natural Gas-Fired, Commmercial 
Water Heater with Stealth 
Quiet operation (5-YEAR 
LIMITED WARRANTY)

Tank Type: Gas

OptiTherm (2nd Gen) 100-gal, 199MBH Modulating Condensing up to 99% Thermal Efficiency, Natural Gas-Fired, Commmercial Water Heater with Stealth Quiet operation (5-YEAR LIMITED WARRANTY)

BWHOT199N-2

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Unavailable

Tank Type: Gas

Opti-Therm 100 gall/199,999 MBH/NG Fully modulating, 76 MBH to 199,999 MBH condensing water heater Lifetime cathodic protection system, NO sacrificial anodes, PVC/CPVC Power Vent or Power Direct vent, 5-yr tank warranty Non-ASME tank.

BWHOT200N

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Unavailable

Tank Type: Gas

Opti-Therm 100 gall/199.9 MBH/NG Fully modulating, 76 MBH to 199.9 MBH condensing water heater Lifetime cathodic protection system, NO sacrificial anodes, PVC/CPVC Power Vent or Power Direct vent, 5-yr tank warranty, ASME tank. # 55735

BWHOT200N-A

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Unavailable

Tank Type: Gas

Opti-Therm 100 gall/250 MBH/NG Fully modulating, 76 MBH to 250 MBH condensing water heater Lifetime cathodic protection system, NO sacrificial anodes, PVC/CPVC Power Vent or Power Direct vent, 5-yr tank warranty Non-ASME tank # 55745

BWHOT250N

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OptiTherm (2nd Gen) 100-gal, 250MBH Modulating Condensing up to 99% Thermal Efficiency, Natural Gas-Fired, Commmercial Water Heater with Stealth Quiet operation (5-YEAR LIMITED WARRANTY)

BWHOT250N-2

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Unavailable

Tank Type: Gas

Opti-Therm 100 gall/250 MBH/NG/ASME Fully modulating, 76 MBH to 250 MBH condensing water heater Lifetime cathodic protection system, NO sacrificial anodes, PVC/CPVC Power Vent or Power Direct vent, 5-yr tank warranty ASME tank # 55737

BWHOT250N-A

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Unavailable

Tank Type: Gas

Opti-Therm 100 gall/299,999 MBH/NG Fully modulating, 76 MBH to 299,999 MBH condensing water heater Lifetime cathodic protection system, NO sacrificial anodes, PVC/CPVC Power Vent or Power Direct vent, 5-yr tank warranty Non-ASME tank # 55747

BWHOT299N

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Unavailable

Tank Type: Gas

Opti-Therm 100 gall/299 MBH/NG/ASME Fully modulating, 76 MBH to 299 MBH condensing water heater Lifetime cathodic protection system, NO sacrificial anodes, PVC/CPVC Power Vent or Power Direct vent, 5-yr tank warranty ASME tank # 55740

BWHOT299N-A

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Unavailable

Tank Type: Gas

119gal, 300kBTU - GEN 2 OptiTherm Fully modulating, 135 MBH to 300 MBH condensing water heater Lifetime cathodic protection system, NO sacrificial anodes, PVC/CPVC Power Vent or Power Direct vent, 5-yr tank warranty Non-ASME tank. # 55667-2

BWHOT300N-2

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Unavailable

Tank Type: Gas

GEN 2 - Opti-Therm 125 gall/300 MBH/NG Fully modulating, 135 MBH to 299.9 MBH condensing water heater Lifetime cathodic protection system, NO sacrificial anodes, PVC/CPVC Power Vent or Power Direct vent, 5-yr tank warranty, ASME tank. # 55660-2

BWHOT300N-2-A

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1...3233
34
35
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Opti-Therm 100 gall/199,999
MBH/NG   Fully modulating, 76
MBH to 199,999 MBH condensing
water heater Lifetime cathodic
protection system, NO
sacrificial anodes,  PVC/CPVC
Power Vent or Power Direct 
vent, 5-yr tank warranty
Non-ASME tank.
Opti-Therm 100 gall/199.9
MBH/NG   Fully modulating, 76
MBH to 199.9 MBH condensing
water heater Lifetime cathodic
protection system, NO
sacrificial anodes,  PVC/CPVC
Power Vent or Power Direct 
vent, 5-yr tank warranty, ASME
tank. # 55735
Opti-Therm 100 gall/250 MBH/NG
Fully modulating, 76 MBH to
250 MBH condensing water
heater Lifetime cathodic 
protection system, NO
sacrificial anodes,  PVC/CPVC
Power Vent or Power Direct 
vent, 5-yr tank warranty
Non-ASME tank # 55745
OptiTherm (2nd Gen) 100-gal, 
250MBH Modulating Condensing 
up to 99% Thermal Efficiency, 
Natural Gas-Fired, Commmercial 
Water Heater with Stealth 
Quiet operation (5-YEAR 
LIMITED WARRANTY)
Opti-Therm 100 gall/250
MBH/NG/ASME   Fully
modulating, 76 MBH to 250 MBH
condensing water heater
Lifetime cathodic  protection
system, NO sacrificial anodes,
PVC/CPVC Power Vent or Power
Direct  vent, 5-yr tank
warranty ASME tank # 55737
Opti-Therm 100 gall/299,999
MBH/NG   Fully modulating, 76
MBH to 299,999 MBH condensing
water heater Lifetime cathodic
protection system, NO
sacrificial anodes,  PVC/CPVC
Power Vent or Power Direct 
vent, 5-yr tank warranty
Non-ASME tank # 55747
Opti-Therm 100 gall/299
MBH/NG/ASME   Fully
modulating, 76 MBH to 299 MBH
condensing water heater
Lifetime cathodic  protection
system, NO sacrificial anodes,
PVC/CPVC Power Vent or Power
Direct  vent, 5-yr tank
warranty ASME tank # 55740
119gal, 300kBTU - GEN 2
OptiTherm  Fully modulating,
135 MBH to 300 MBH condensing
water heater Lifetime cathodic
protection system, NO
sacrificial anodes,  PVC/CPVC
Power Vent or Power Direct 
vent, 5-yr tank warranty
Non-ASME tank. # 55667-2
GEN 2 - Opti-Therm 125
gall/300 MBH/NG   Fully
modulating, 135 MBH to 299.9
MBH condensing water heater
Lifetime cathodic  protection
system, NO sacrificial anodes,
PVC/CPVC Power Vent or Power
Direct  vent, 5-yr tank
warranty, ASME tank. # 55660-2
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