Time-honored technologies unite with cutting-edge advancements in Raypak’s MVB modulating vertical boiler. Small space is no longer a problem, and our compact design fits through a 32” door opening to make it the perfect choice for those hard-to-reach retrofit projects.
Key Features
- Positive vent pressure, Condensing Appliance. Cat IV Vent Required.
- Cast-Iron Headers with Copper Finned-Tube Heat Exchanger standard. Brass Headers and Cupro-Nickel tubes available as options. ASME Section IV constructed and stamped, National Board registered.
- CSA Low-Lead certified: less than 0.25% Lead.
- Certified to ANSI Z21.13.
- Minimum Inlet Water Temperature: 120°F.
- Maximum Operable Outlet Water Temperature: 235°F.
- Electronic Modulation, up to 7:1 Turndown.
- VERSA IC® Control Package with Built-In Outdoor Reset Function and LCD Display, Including System Sensor, Indirect Sensor & Indirect Supply Sensor.
- Status Display Lights.
- Cascade Control of up to 4 units, no external sequencer required.
- Diagnostics Center with History, English, no codes.
- Modbus RTU BMS port (RS485).
- 0-10 VDC BMS Interface (Setpoint or Direct Drive).
- All models for indoor/outdoor construction.
- Certified under SCAQMD Rule 1146.2. Meets all Low NOx regulations.
- Engineered with precisely matched system components.
- Smallest installed footprint (5.4 square feet) design fits tight spaces and easily replaces larger boilers.
- 100% Factory Fire Tested.
- Complete cabinet protects all controls and wiring. Tough, rust-resistant powder-coat finish.
- Suitable for altitudes up to 10,000 ft. (derate above 2,000 ft.).
- No boiler condensate drain required (proprietary design)
- Available for natural gas or propane.
- Integral Combustion Air Filter (MERV8).
- Multiple Pump Outputs – Boiler Pump, System Pump, Indirect Pump.
- Whisper-Quiet Operation.
- Proudly Assembled in the USA.