Laars MiniTherm series gas boilers are a great alternative to traditional cast iron boilers - both in new installations and replacements.
They are reliable, affordable and are much lighter than cast iron models thanks to unique hybrid heat exchanger (which is time-proven and backed by a 20-yr warranty) - making them much easier and quicker to install.
A variety of optional installation accessories (NG to LP and altitude conversion kits, outdoor sensor, chimney to power vent conv. kit, low loss header and others) make this boiler a flexible and efficient solution for any hydronic application (baseboards, radiators, radiant heat, etc.)
MiniTherm is capable of replacing practically any cast iron boiler brand - Weil McLain, Pennco, Utica, Dunkirk, Peerless, Crown, Burnham, Lennox and many others.
Note: this model comes with a circulator pump and a low-loss header for optimal efficiency & performance and ease of installation.
Features:
- Made in the USA
- Includes Low-Loss Header w/ Pump
- Low loss header allows for direct replacement of traditionally piped cast iron boilers and ensures proper ΔT for improved performance & longer heat exchanger life span
- Reliable and time-proven cast iron & copper hybrid heat exchanger with 20-year warranty
- Unique heat exchanger design offers up to x7 times faster heat transfer than traditional cast iron boilers
- Drastically lower weight than cast iron boilers means easier handling and installation
- Standard tapping locations allow for easy retrofit jobs
- Uses standard Category I chimney vent, convertible to power vent - see specs (would need Cat. III vent pipe, such as Z-Vent)
- Domestic hot water priority for indirect water heater installation - w/ optional CA019400 DHW kit
- Built-in draft diverter w/ vent damper included
- Digital temperature display
- Integral LWCO (low water cut off) w/ manual or automatic reset mode
- (7) ECO run modes for auto-adjusting water temperatures to reduce fuel use
- Outdoor reset capability (w/ optional CA005400 kit)
- Spark to pilot ignition
- Low voltage terminal block for ease of installation and wiring
- Input: 125,000 BTU/h
- Net AHRI Rating: 91,000 BTU/h
- DOE Rating: 105,000 BTU/h
- Efficiency (AFUE): 84%
- Fuel Type: Natural Gas (convertible to Propane with CA019913 kit)
- Boiler/System Type: Standard Efficiency (Non-Condensing) Hot Water (Hydronic) Gas Boiler w/ Cast Iron & Copper Hybrid Heat Exchanger
- Boiler Connections: 1-1/4" NPT - Supply/Return Connections, 3/4" NPT - Gas, Relief Valve and Drain
- Flue/Exhaust Pipe Type & Size: 6" Cat. I Galvanized Pipe (standard) - Convertible to Power Vent with CA019502 kit
- Installation Altitude: 0 - 2,000ft (can be converted to operate at higher altitudes with a kit - inquire for details)
- Electrical: 120V, 0.70A (FLA), 0.90A (MCA), 15 A (MOP)
- Dimensions: 25" High x 20-1/8" Wide x 29" Deep
- Weight: 164 lbs
20-year heat exchanger and 1-year parts (incl. circulator pump)
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