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Laars Mighty Therm 2 Boilers


Laars products are no longer available
Please see the HTP Elite Fire Tube Ultra line of high efficiency wall hung modulating condensing boilers here

The Mighty Therm 2 boilers and volume water heaters are available in several sizes and operate at an environmentally friendly 85% efficiency with low 10ppm NOx emissions. The compact modular design, simple and straightforward controls, top or rear venting options and the ability to be installed either indoors or outdoors are just a few of the features that make the Mighty Therm 2 Series easy to use, install & maintain.

Features:

  • ASME 160 psi working pressure heat exchanger
  • ASME "H" stamp (Optional "HLW" stamp for water heater, Low lead construction (MT2V)
  • Flanged water connections
  • Glass-lined headers with external header gaskets
  • Blocked vent switch
  • 75 psi (517 kPa) ASME rated pressure relief valve (MT2H boilers)
  • 125 psi (861 kPa) ASME rated pressure relief valve (MT2V volume water heaters)
  • Multiple operating gas valve/pressure regulators
  • Temperature pressure gauge
  • Manual "A" gas valve
  • Intake air filter
  • Stainless steel burners
  • Built-in fan for Category I or III vent systems
  • Air pressure switch
  • Burner site glass
  • 24V control system
  • 115/24V transformer
  • Flow switch
  • Manual reset high limit
  • Fusible link (size 200)
  • Certified for indoor or outdoor use
  • Hot surface ignition
  • On/off toggle switch
  • Pump time delay
  • CSD-1 Compliant
  • Outdoor reset with ratio adjustment
  • 25 year limited warranty

PDF Documents:
MightyThermBrochure | LaarsMightyThermInstall.pdf

↓   One Stage Without Pump   ↓

Natural Gas 199,900 BTU/h one stage without pump

Part No: MT2H0200NACC2CXX

Propane 199,900 BTU/h one stage without pump

Part No: MT2H0200PACC2CXX

Natural Gas 300,000 BTU/h one stage without pump

Part No: MT2H0300NACC2CXX

Propane 300,000 BTU/h one stage without pump

Part No: MT2H0300PACC2CXX

Natural Gas 399,900 BTU/h one stage without pump

Part No: MT2H0400NACC2CXX

Propane 399,900 BTU/h one stage without pump

Part No: MT2H0400PACC1CXX

↓   One Stage With Pump   ↓

Natural Gas 199,900 BTU/h one stage with pump

Part No: MT2H0200NACC2CXN

Propane 199,900 BTU/h one stage with pump

Part No: MT2H0200PACC2CXN

Natural Gas 300,000 BTU/h one stage with pump

Part No: MT2H0300NACC2CXN

Propane 300,000 BTU/h one stage with pump

Part No: MT2H0300PACC2CXN

Natural Gas 399,900 BTU/h one stage with pump

Part No: MT2H0400NACC2CXN

Natural Gas 399,900 BTU/h one stage with pump

Part No: MT2H0400NACC2CXG

Propane 399,900 BTU/h one stage with pump

Part No: MT2H0400PACC2CXN

↓   Two Stage Without Pump   ↓

Natural Gas 199,900 BTU/h two stage without pump

Part No: MT2H0200NACK2CXX

Propane 199,900 BTU/h two stage without pump

Part No: MT2H0200PACK2CXX

Natural Gas 300,000 BTU/h two stage without pump

Part No: MT2H0300NACK2CXX

Propane 300,000 BTU/h two stage without pump

Part No: MT2H0300PACK2CXX

Natural Gas 399,900 BTU/h two stage without pump

Part No: MT2H0400NACK2CXX

Propane 399,900 BTU/h two stage without pump

Part No: MT2H0400PACK2CXX

Natural Gas 500,000 BTU/h two stage without pump

Part No: MT2H0500NACK1CXX

Propane 500,000 BTU/h two stage without pump

Part No: MT2H0500PACK1CXX

Mighty Therm2 Hydronic Boiler, 1,250,000 BTU two-stage without pump (Natural Gas or Propane)

Part No: MT2H1250

↓   Two Stage With Pump   ↓

Natural Gas 199,900 BTU/h two stage with pump,Grunfos mtd.

Part No: MT2H0200NACK2CXG

Natural Gas 199,900 BTU/h two stage with pump, Taco mtd.

Part No: MT2H0200NACK2CXN

Propane 199,900 BTU/h two stage with pump

Part No: MT2H0200PACK2CXN

Natural Gas 300,000 BTU/h two stage with pump, Grunfos mtd.

Part No: MT2H0300NACK2CXG

Natural Gas 300,000 BTU/h two stage with pump, Taco mtd.

Part No: MT2H0300NACK2CXN

Propane 300,000 BTU/h two stage with pump

Part No: MT2H0300PACK2CXN

Natural Gas 399,900 BTU/h two stage with pump

Part No: MT2H0400NACK2CXN

Propane 399,900 BTU/h two stage with pump

Part No: MT2H0400PACK2CXN

Natural Gas 399,900 BTU/h two stage with pump, Bronze Trim

Part No: MT2H0400NACK2BXN

Propane 399,900 BTU/h two stage with pump, Bronze Trim

Part No: MT2H0400PACK2BXN

↓   Volume Water Heaters   ↓

Natural Gas 199,900 BTU/h Bronze trim one stage volume water heater without pump

Part No: MT2V0200NACC2BLX

Propane 199,900 BTU/h one stage volume water heater without pump

Part No: MT2V0200PACC2BLX

Natural Gas 199,900 BTU/h one stage volume water heater with pump

Part No: MT2V0200NACC2BLN

Propane 199,900 BTU/h one stage volume water heater with pump

Part No: MT2V0200PACC2BLN

Natural Gas 300,000 BTU/h one stage volume water heater with pump

Part No: MT2V0300NACC2BLN

Propane 300,000 BTU/h one stage volume water heater with pump

Part No: MT2V0300PACC2BLN

Natural Gas 300,000 BTU/h two stage volume water heater with pump

Part No: MT2V0300NACK2BLN

Propane 300,000 BTU/h two stage volume water heater with pump

Part No: MT2V0300PACK2BLN

Natural Gas 400,000 BTU/h one stage volume water heater with pump (Glass-lined cast iron copper, bronze trim), Low temp, Normal water Taco mounted.

Part No: MT2V0400NACC2BLN

Natural Gas 400,000 BTU/h one stage volume water heater with pump

Part No: MT2V0400NACC3BLN

Propane 400,000 BTU/h one stage volume water heater with pump

Part No: MT2V0400PACC3BLN

Natural Gas 400,000 BTU/h one stage volume water heater with out pump

Part No: MT2V0400NACC3BLX

Propane 400,000 BTU/h one stage volume water heater with out pump

Part No: MT2V0400PACC3BLX

Natural Gas 400,000 BTU/h one stage volume water heater with pump (Glass-lined cast iron cu-nickel/bronze trim)

Part No: MT2V0400NACC35LN

Natural Gas 400,000 BTU/h two stage volume water heater with pump

Part No: MT2V0400NACK2BLN

Propane 400,000 BTU/h two stage volume water heater with pump

Part No: MT2V0400PACK2BLN

Natural Gas 500,000 BTU/h two stage volume water heater without pump

Part No: MT2V0500NACK1BXX

Natural Gas 500,000 BTU/h two stage volume water heater with pump

Part No: MT2V0500NACK1PXN

Natural Gas 500,000 BTU/h two stage volume water heater with hard water pump

Part No: MT2V0500NACK1PXH

Natural Gas 500,000 BTU/h two stage volume water heater, Glass-lined cast iron, cu-nickel, bronze trim, CSD-1, mounted hard water pump

Part No: MT2V0500NACK1PJH

Laars Mighty Therm 2; Natural, Glass-lined cast iron, cu-nickel, bronze trim heat exchanger, CSD-1, normal Taco water pump mounted

Part No: MT2V0750NACK1PJN

↓   Parts & Accessories   ↓

Ignition control

Part No: E0253400

High Limit Switch

Part No: E2304800

Header, return

Part No: 2C4103

Orifice-Natural Gas (for conversion from propane to natural gas) use with V0079400

Part No: L0062900

Mighty Therm PH 850 Replacement Heat Exchanger (complete assembly with headers)

Part No: R20515904

Media, filter

Part No: R2073200

Pump for MT2H 300 & 400 (replaces obsolete A0076800)

Part No: RA2112217

Pump w/flanges, normal water, Grundfos

Part No: RA2112235

Flow Switch,Outdoor

Part No: RE0013000

Switch, pressure, SPDT

Part No: RE0240900

Blower Motor

Part No: RE0254000

Ignitor, Hot surface, w/gasket

Part No: RW2002300

Gasket, heat exchanger (qty 1)

Part No: S0070800

Gas Valve, Combination-Natural Gas (for conversion from propane to natural gas)

Part No: V0079400

Contact

Toll Free: (866) 361-4782

Fax: 206-274-1501

17420 Vashon Hwy SW
PO Box 2270
Vashon, WA 98070

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