Unused- RBI Dominator Two Stage Water Heater, Model DW1500. Natural Gas; 1500 MBH, 440 kW input; 1277 MBH, 374 kW output; 1530 GPH; Finned copper tube heat exchanger, ASME 160# max WP, 2 pass; Mounted & wired flow switch; FM compliant gas train; Sealed combustion chamber;Mounted ASME relief valve (50# Boilers, 125# Water Heaters); Pump delay control; Factory fired tested; Barometric damper on Cat. 1 applications; 85.1% efficient; Low NOx SCAQMD Rule 1146.2 certified; Uginox alloy stainless steel burners; Bronze headers water heaters; Cast iron headers boilers; 2 or 4-Stage firing modes; Category I & III venting. Serial # 052291036, CRN # 1574.9CL, National Board # 55181. Built 2022.
Used Equipment Facts About This Machine
Manufacturer Information:
Manufacturer: RBI (a Mestek Company) Model: DW1500 – Dominator Series Serial Number: 052291036 National Board Number: 55181 CRN: 1574.9CL Condition: Unused
Description:
Unused RBI Dominator Model DW1500 Two-Stage Water Heater, designed for commercial and industrial heating applications. Fueled by natural gas, this unit delivers 1500 MBH (440 kW) input and 1277 MBH (374 kW) output, with a high flow rate of 1530 GPH. Featuring a high-efficiency finned copper tube heat exchanger (85.1% efficiency), the heater supports ASME construction (160# max working pressure) with a 2-pass design. The sealed combustion chamber, FM-compliant gas train, and Uginox stainless steel burners make it reliable, safe, and compliant with Low NOx (SCAQMD Rule 1146.2). Includes barometric damper, pump delay control, and factory-fired testing.
Specifications:
Model: DW1500
Fuel Type: Natural Gas
Input Capacity: 1500 MBH / 440 kW
Output Capacity: 1277 MBH / 374 kW
Flow Rate: 1530 GPH
Efficiency: 85.1%
Heat Exchanger Type: Finned Copper Tube, 2-Pass
Combustion Chamber: Sealed
Gas Train: FM Compliant
ASME Certification: 160# Max WP
Relief Valves Mounted: 50# for boilers, 125# for water heaters
Firing Modes: 2 or 4-Stage
Vent Categories: I & III
Headers: Bronze (water heaters), Cast Iron (boilers)
Burners: Uginox Alloy Stainless Steel
Controls: Mounted & Wired Flow Switch, Pump Delay Control
Compliance: SCAQMD Rule 1146.2 (Low NOx Certified)
Testing: Factory Fired Tested
Serial #: 052291036
National Board #: 55181
CRN #: 1574.9CL
Applications:
Commercial water heating systems
Institutional heating (schools, hospitals)
Industrial process water heating
Apartment and condominium water supply
Hotels and hospitality facilities
Car wash systems
Central heating systems
Large office buildings
Equipment and tank preheating
Food and beverage processing
What products would this be used for:
Domestic hot water supply
Process water heating
High-volume potable water delivery
Hydronic heating water
Facility-wide central water heating
Washdown stations
Heated rinse or process water
Preheat systems for equipment
Large laundry water systems
HVAC hot water supply
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