The Laars Mini-Therm? JX is a reliable gas-fired residential boiler with plenty of capacity to keep even the largest home comfortable on the coldest days. The compact boiler has an efficient low-mass heat exchanger and a super-quick heating response to deliver years of warmth and comfort to your home. Reliable Heating with a 20 Year Warranty Energy Saving "Economy Mode" Built-In with the Mini-Therm JX Control Environmentally Friendly Simple Retrofit with Standard Tapping Locations Long Life Hybrid Heat Exchanger Designed and Built at the Laars Headquarters in Rochester, NH USA Benefits of Copper & Cast Iron The Mini-Therm JX has a unique, field-proven heat exchanger design that intelligently combines finned copper tubing with cast iron "wet walls" to create a perfect balance of quick heat transfer and stored heat. Copper transfers heat up to 7x faster than cast iron for a faster healing response Cast iron wet walls store excess heat to minimize short-cycling - increasing efficiency and heat exchanger life Mini-Therm JX is smaller and lighter than traditional cast iron boilers making installation and maintenance much easier Low Loss Header System Maintains the correct temperature rise (Delta-T) across the heat exchanger - offering improved performance and longer heat exchanger life Protects the heat exchanger from low return water temperatures (Economy Mode or Outdoor Reset) System pump interrupt for anti-condensing feature Allows for direct replacement of traditionally piped cast iron boilers Reduces installation time resulting in savings Model MBH FT Pump JX050NPHU1 50 2001-5000 Yes JX050NPIU1 50 5001-8000 Yes

The Laars Mini-Therm? JX is a reliable gas-fired residential boiler with plenty of capacity to keep even the largest home comfortable on the coldest days. The compact boiler has an efficient low-mass heat exchanger and a super-quick heating response to deliver years of warmth and comfort to your home. Reliable Heating with a 20 Year Warranty Energy Saving "Economy Mode" Built-In with the Mini-Therm JX Control Environmentally Friendly Simple Retrofit with Standard Tapping Locations Long Life Hybrid Heat Exchanger Designed and Built at the Laars Headquarters in Rochester, NH USA Benefits of Copp