Baxi Luna Duo-Tec 1.70 MP Boiler

Baxi Luna 1.70 MP

  • 7:1 turndown ratio, modulating from 216,330 to 32,074 BTU/H output
  • 2-speed PWM circulator (Grundfos UOER 25-78) built in
  • ISOTHERMIC Heat Exchanger

For an even higher level of reliability and peace of mind: Ask your Baxi Certified Contractor about our optional  5-Year, or 10-Year Extended Parts and Labor Warranty.

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Baxi Luna wallhung high-efficiency boilers are environmentally friendly, high-efficiency appliances:

  • Emit 90% less CO and 80% less NOx
  • Up to 98% efficiency
  • Compatible with any type of hydronic air handler, wall or baseboard radiator, or in-floor radiant heating system
  • Ideal for custom radiant heating applications, such as snowmelt and heated towel racks
  • Heating-only
  • 50 psi ASME pressure relief valve included
  • Coaxial or dual venting (Baxi Polypropylene or S636 CPVC)
  • Cascade venting up to 6 units
  • Optional Cascade Controller:
    Connects up to 6 boilers
    Lead/lag capability
    Efficiency optimization
    DHW temperature control
  • Mono-electric spark/ionization electrode
  • Low water cut-off built-in
  • Program modes:
    Deaeration
    Commissioning
    Anti-wind
    Anti-Legionella
    Chimney sweep
    Frost protection
  • External LWCO contact
  • Building Management System Integration:
    OpenTherm protocol communication
    0-10 V/DC to control modulation or set point
    0-10 V/DC modulation or set point output
    0-10 V/DC input to enable or disable call for heat
  • Pump and valve control
  • Maintenance reminder
  • Baxi Accessories:
    MCL 27 cascade controller (up to 6 units)
    MLC 30 4-zone controller
    MLC 16 mixing zone controller
    Room temperature control unit
    QAC 34 outdoor sensor

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People like you shared their purchase and installation experience!

Susanna PingitoreSusanna Pingitore

I've been a client of Cozy Comfort for 15 yrs. for any HVAC need or service.

My AC broke down in the heat wave and could not be repaired. I called and talked to Brian @ Cozy Comfort.
Explained I was looking for a specific Carrier model and a humidifier as well.
He managed to find it and had both installed by tech. Alex and his crew within a few days. They did a good job and took all garbage with them.

While being installed, other companies I had called for a quote were calling me to inquire what I was looking for. Told them too late!

During this unexpected breakdown in prime summer heat, Brian was patient, quick and fair getting the job done quickly.

These days it is difficult to give a positive review but I highly recommend dealing with Brian at Cozy Comfort for any service they offer.

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David TsuchiyaDavid Tsuchiya

I had my tankless water heater replaced through Cozy Comfort Plus. Brian was very helpful and his technician did his best to ensure the new model would fit the tight nook that the original one was in. The team installed the new heater quickly and ensured the location was clean afterwards. Overall, I was very satisfied with the installation and service.

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David GucciardiDavid Gucciardi

Cozy Comfort came highly recommended by my parents after they did some work for them. We had a new furnace, water heater, humidifier, and thermostat installed and they did a great job from the initial visit to the final install.

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