MVB® Modulating Vertical Hydronic Boilers 504A-2004A

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.

MVB® Modulating Vertical Hydronic Boilers 504A-2004A

BASIC PRODUCT DATA

BASIC DATA

Model
Full Input in BTUH
Flue Dia.
 H7-504A  500,000 8"
 H7-754A  750,000  10"
 H7-1104A  1,100,000  10"
 H7-1504A  1,500,000  12"
 H7-2004A  1,999,000 14"


Features:

  • 84% Thermal Efficiency at Full Rate; Up to 88.4% at Part Load.
  • Negative vent pressure, non-condensing Appliance.  Cat I 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 1.7:1 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 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.

Options:

  • Outdoor air Sensor (B-32)
  • BACNet IP, BACnet MS/TP, Modbus TCP, N2 Metasys (B-85)
  • Lonworks (B-86)
  • Alarm with 4” Bell (E-5)
  • Low Water Cutoff (F-10)
  • Cold Water Start (not for potable water systems)
  • Cold Water Run
  • Condensate Neutralizer (Z-12)

BROCHURE

MANUAL

ILLUSTRATED PARTS LIST

SUBMITTAL

SPECIFICATIONS

WARRANTY

REVIT

MISCELLANEOUS

PRODUCT VIDEOS & MEDIA
MVB® Modulating Vertical Hydronic Boilers 504A-2004A How it Works Video MVB® Modulating Vertical Hydronic Boilers 504A-2004A Service Video MVB® Modulating Vertical Hydronic Boilers 504A-2004A Service Video MVB® Modulating Vertical Hydronic Boilers 504A-2004A Service Video MVB® Modulating Vertical Hydronic Boilers 504A-2004A Service Video MVB® Modulating Vertical Hydronic Boilers 504A-2004A