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Raypak® RayTherm Hydronic Gas Boiler, 120 VAC, >5 A, 82.7 % AFUE, 264 MBtu/hr Input, 216 MBtu/hr Output, 12 psi Minimum, 160 psi Maximum, 3/4 in Gas, 1-1/2 in Water, 7 in Vent Connection, Natural Gas, Propane Gas Fuel, Motorized Vent Damper Vent, Steel, Powder-Coated, Polytuf, 22-3/8 in W x 26-1/2 in D x 62-7/8 in H
| AFUE Rating | : | 82.7 % |
| Amperage Rating | : | >5 A |
| BTU Rating | : | 264 MBtu/hr Input, 216 MBtu/hr Output |
| Color | : | Polytuf |
| Connection Type | : | 3/4 in Gas, 1-1/2 in Water, 7 in Vent |
| Dimensions | : | 22-3/8 in W x 26-1/2 in D x 62-7/8 in H |
| Finish | : | Powder-Coated |
| Fuel Type | : | Natural Gas, Propane Gas |
| Material | : | Steel |
| Pressure Rating | : | 12 psi Minimum, 160 psi Maximum |
| Vent Type | : | Motorized Vent Damper |
| Voltage Rating | : | 120 VAC |
- Rugged all-brass headers resist corrosion, and are easily removed for inspection or service, AB 1953 compliant, glass-lined cast-iron headers and cupro-nickel tubes are available as options
- Finned copper tube heat exchanger single bank, straight through design delivers lowest pressure drop, Integral fins have ten times the heat transfer surface of plain tubes, 82% efficiency, Cat I venting, indoor/outdoor certified
- Corrosion-resistant steel fittings are brush galvanized against rust, heat shields are corrosion-resistant steel, jacket has polytuf powder-coat finish
- 24 V controls are totally enclosed for protection, door is easily removed for inspection and service
- Floating return header immunizes heat exchanger to thermal shock
- Tube sheet and O-ring construction eliminates the repair and maintenance problems associated with rolling tubes directly into a casting, electronic controller with outdoor reset varies the setpoint as the air temperature changes
- Interlocking refractory panels with sealed corners reduce radiation losses
- Stainless steel burners maintain precise combustion at all firing rates, burn quietly and won't clog or corrode
- Slide-out burner tray allows easy inspection and service
- Non-condensing operates at 105 deg F return water temperature without condensing, perfect for the low-temperature needs of radiant floor and snow melting systems
- Spark-to-hood pilot eliminates erratic pilot ignition and lockout
- Motorized vent damper prevents heat loss during off-cycles
- Non-ferrous waterways brass fittings and glass-lined headers eliminate boiler oxygen-permeation problems associated with non-barrier radiant tubing
- Radiant heating
- Hydronic space heating
- Snow melting
- Light commercial
- Standard outdoor reset control
- Indirect fired water heating (with indirect storage tank)
- 2-stage firing mode
Specification Sheet