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Crown Bail Series (BWF)

A red and gray box with a water meter on the side.
The Bali Series (BWF) residential, cast iron, hot water boiler is a fully-packaged, installer-ready product. An integral fan permits venting directly through a wall. With the addition of a Category-1 Vent Kit, the Bali has the option of venting into some chimneys that are too small to vent an atmospheric boiler of the same input. […
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Crown Aruba 4 (AWR)

A red and gray boiler with valves on the side.
The Aruba 4 Series (AWR) residential, cast iron, hot water boiler is a fully-packaged, installer-ready product. The rear draft diverter provides a low profile design that allows for closet applications on AWR models through the AWR210. This atmospheric, gas-fired boiler is for use with a conventional chimney fueled with natural or LP gas. The Aruba […
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Crown Mega-Stor Vertical

A group of water heaters that are all lined up.
The Mega-Stor is a stainless-steel indirect water heater which provides abundant domestic hot water utilizing energy provided by your boiler. With a stainless steel, smooth surface coil that transfers heat throughout the tank, the Mega-Stor is capable of recovery rates well in excess of a typical gas, electric or oil water heater. The two inch […
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Crown Mega-Stor- Solar

A water heater with the label " emergency response " on it.
Today’s growing demands for systems utilizing alternative energy sources require innovative products to meet these needs. The Mega-Stor Solar tank is designed to provide abundant domestic hot water from a combination of energy sources such as solar, ground water source heat pumps, and high efficiency condensing or non-condensing boilers. The Mega-Stor is also available as […
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Crown-Stor- Horizontal

A black box with a crown logo on it.
The Mega-Stor Horizontal is a stainless-steel indirect water heater which provides abundant domestic hot water utilizing energy provided by your boiler. With a stainless steel, smooth surface coil that transfers heat throughout the tank, the Mega-Stor Horizontal is capable of recovery rates well in excess of a typical gas, electric or oil water heater. The […
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Crown Maxi-Therm 2

A silver tank with black button and white background
The Maxi-Therm 2 is a porcelain-enameled indirect water heater which provides abundant domestic hot water utilizing energy provided by your boiler. The porcelain-enameled tank is equipped with three sacrificial anode rods for maximum corrosion resistance and the coil is designed with a low pressure drop. The Maxi-Therm 2 also has two inch think CFC-free foam […
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Crown Mega Series 32

A gray box with a hole in the middle of it.
The Series 32 is a commercial, cast-iron, gas-fired, hot-water or steam boiler. The Series 32 is designed for use with a conventional chimney. The boiler is equipped with an electronic ignition system and is available for use with natural gas. The Series 32 is available in firing rates from 380,000 to 2,850,000 BTU/hr. This boiler […
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Crown Series 24

A red and silver door with a black handle
The Series 24 is a cast-iron water or steam boiler designed for use with light oil, gas, or a light oil-gas combination. The Series 24 is designed for installation with either a standard chimney or a pressurized vent system. The boiler has a swing-open front door for easy service and inspection. The Series 24 is […
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Crown Series 16

A red and gray box with the word " calvin " on it.
The Series 16 is a commercial, cast-iron, gas-fired, hot-water boiler. The Series 16 is designed for use with a conventional chimney. The boiler is packaged with an electronic ignition system and has the option of either natural or LP gas. The Series 16 is available in firing rates from 325,000 to 585,000 BTU/hr. The Series […
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Crown FW

A red and black box with a motor on it
The FW Series boiler is a 3-pass cast-iron boiler designed for use with light oil, gas, or a light oil-gas combination. The FW Series is designed for installation with either a standard chimney or a pressurized vent system. The boiler has a swing-open front door for easy service and inspection, and the stainless steel baffles […
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M. J. Mac Inc.
48 Vincent Circle, Unit D Ivyland, PA 18974
(215) 674-4001




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