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Raypak® RayTherm Gas Fired Water Boiler, 120 VAC, <3 A, 60 Hz, 1 ph Phase, 82.7 % AFUE, 90000 Btu/hr, 0.7 gal Capacity, 1/2 in NPT Gas, 1 in NPT Supply/Return Connection, Natural Gas, Propane Gas Fuel, Direct Exhaust Vent, 5 in Vent Dia Chimney/Breeching/Vent, 6 in Flue Diameter, Electronic Ignition, 64000 Btu/hr Net BTU Rating, 26-1/2 in D x 39 in H
| AFUE Rating | : | 82.7 % |
| Amperage Rating | : | <3 A |
| BTU Rating | : | 90000 Btu/hr |
| Capacity | : | 0.7 gal |
| Chimney/Breeching/Vent Size | : | 5 in Vent Dia |
| Connection Type | : | 1/2 in NPT Gas, 1 in NPT Supply/Return |
| Dimensions | : | 26-1/2 in D x 39 in H |
| Flue Diameter | : | 6 in |
| Frequency Rating | : | 60 Hz |
| Fuel Type | : | Natural Gas, Propane Gas |
| Ignition Type | : | Electronic |
| Net BTU Rating | : | 64000 Btu/hr |
| Phase | : | 1 ph |
| Vent Type | : | Direct Exhaust |
| Voltage Rating | : | 120 VAC |
- Non-condensing operates down to 105 deg F return water temperature without condensing, perfect for the low temperature needs of radiant floor and snow melting systems
- Built-in pump and bypass offers maximum application flexibility
- Honeywell standard S8600 IID ignition eliminates off-cycle fuel consumption
- Spark-to-hood pilot eliminates erratic pilot ignition and lockout
- Motorized vent damper prevents heat loss during off-cycles
- Electronic controller with outdoor reset varies the setpoint as the air temperature changes
- Factory installed circulator and bypass thermostatically-controlled circulator maintains proper flow through the boiler
- Intermittent pilot ignition improves system efficiency by using fuel only when there is a call for heat
- Compact, lightweight design even the largest model slips easily into tight spaces
- Easy to plumb, easy to service, inlet and outlet water piping, gas connection, wiring and controls are all up front for easy access
- Built-in manual reset safety sensors shut down the boiler in the event of a flame roll-out or flue gas spillage and 125 lb/sq-in maximum normal working pressure
- Fast response temperature sensor, electronic solid state auto-reset control shuts down the boiler in the event of over-heating caused by a low-flow condition
- 160 lbf/sq-in ASME inspected and stamped heat exchanger, glass-lined cast iron headers, copper finned tubing, ASME steel tube sheet, silicone O-rings, 30 lbf/sq-in ASME pressure relief valve, temperature and pressure gauge, cast iron pump, bypass assembly
- Controls - 120/24 V transformer, electronic, intermittent ignition, 100% pilot shut-off/lockout, high limit control, operating limit control, flow sensor, flue gas spillage sensor flame rollout sensor, automatic vent damper, electronic outdoor reset control
- Combination gas valve, manual shut-off, redundant valve features and gas pressure regulator
- Construction - indoor construction, enclosed front controls, stainless steel burners, polytuf powder-coat finish, built-in draft diverter, certified for combustible flooring
- 2-stage firing mode
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