SlimFit® Commercial Condensing Gas Boiler

The SlimFit^® high-efficiency condensing boilers are designed for fast, easy installation in new and existing commercial and institutional settings, including religious, educational, and government buildings. The units connect easily on-site — lowering installation costs and ensuring timely project completion.

Key Features

• Horizontal cast‑aluminum section heat exchanger: high heat‑transfer capability, lighter and more efficient than traditional materials.
• Designed for retrofit or new installation: “door‑fit” design, left/right orientation, allows tight boiler‑room placement and easy maneuvering.
• Ease of installation & service: integrated roller casters, shipping ramp, field‑adjustable controls, factory‑tested and ready to connect.
• Flexible venting & system compatibility: supports CAT II / CAT IV venting, low pressure drop, primary/secondary or variable‑primary system architecture.
• High efficiency condensing operation: Up to ~ 95%+ thermal efficiency in certain models, enabling energy savings and LEED/green building support.
• Advanced control system: Built‑in modulation, BAS integration (Modbus/BACnet), lead/lag cascading capability for multi‑boiler installations.
• Durable construction & warranty: Non‑metallic heat‑exchanger base for corrosion protection, 10‑year non‑prorated heat‑exchanger warranty + 2‑year parts warranty.

Typical Applications
Ideal for commercial settings such as educational campuses, government buildings, religious facilities, institutional buildings, or wherever efficient hydronic heating is required and space or retrofit are constraints.

Why It Stands Out
The SlimFit series combines the trusted efficiency and modulating performance of a condensing boiler with design features that focus on real‑world installer convenience, service accessibility, retrofit compatibility, and long‑term durability. If you’re after a commercial boiler that hits efficiency targets, simplifies logistics and installation, and maximizes usable boiler‑room space, this one checks the boxes.