Boilers & Heating Equipment

The FTX1000 boiler has a maximum input of 999,000 Btu/h and a stainless-steel fire tube heat exchanger. The FTXL 1.0 boiler also features a combustion air filter, 7-inch LCD touchscreen display, 10:1 turndown ratio and a thermal efficiency rate of 98.3%.

With the Bosch Singular combi-boiler, one system satisfies two household needs: heating and hot water. Featuring 95% AFUE efficiency, the Singular provides efficient, dependable home heating and up to 7.7 gpm of domestic hot water production, the company notes. This system is compact and weighs under 80 pounds for easy installation.

The Rheem Combination Boiler offers efficient heating combined with continuous hot water from one unit, the company notes. With the ability to track outdoor temperatures and override the heating set point as needed to keep the home comfortable when weather changes, the boiler’s built-in Auto-Feeder maintains hydronic loop pressure automatically between 12-30 psi.

Navien NFB-H condensing fire tube boilers feature turndown ratios up to 15:1, an advanced user interface with intuitive text display and easy-to-use Setup Wizard, 2" venting up to 65', and built-in hardware to connect a boiler system pump, 3 zone pumps or 3 zone valves.

AMP condensing, water-tube boilers by Thermal Solutions are AHRI-certified at 97% efficiency and offer 10:1 turndown. The boilers are compact and uniquely serviceable, providing complete access to the burner and combustion chamber, the company notes. AMP’s large diameter are ideal for variable -and full-flow system designs, the company says. Available in 400 to 4,000 MBH.

The Rinnai I-Series boilers offer both heat-only and combination models with simultaneous delivery of heat and hot water in one unit. All Rinnai boilers include an outdoor reset sensor to adjust to ever-changing temperatures, keeping spaces comfortable for end users. And with the boiler units' reduced space requirements, the I-Series fits in tight spaces and allows for quick installations in new construction or existing homes, the company says.

U.S. Boiler Co.’s Alta line of condensing boilers and combi-boilers features next-generation gas-adaptive technology that provides the shortest installation time and lowest operating costs. With true “no touch” combustion setup, the Alta is available in three heat-only and two combi sizes, the company says.

Instinct floor standing boilers include a Caleffi 548 Series separator, left or right-side boiler/gas connections, Wi-Fi connectivity, CTRLMAX 60-second setup, a stainless-steel fire tube heat exchanger, a piece- of-mind warranty, and Combi-units have incredible 5-plus- gpm DHW output, Caleffi explains. Available in Solo 110, 155, 199 and Combi 155, 199.

Featuring a 95% AFUE rating, the Weil-McLain ECO Tec meets nearly all residential space and domestic hot water heating needs, including multi-zone and combi-applications. It features a durable stainless- steel fire tube heat exchanger, a corrosion-resistant condensate collector base and simple setup wizards and heating presets. Available in four heat-only and three combi-versions.