| Diamond® ULTRA Series High Efficiency (PDU-V) |
The York Diamond® ULTRA high-efficiency gas furnace eliminates the trade-off of economy for
dependable, reliable performance. Or, the choice between quiet operation and even, whole-house
heating.
At 80% AFUE, a new York Diamond ULTRA gas furnace allows customers to slash operating
costs as much as 60%, while keeping operating sounds to a mere whisper.
These furnaces circulate more air throughout the home for longer periods of time, reducing stratification from room-to-room and floor-to-floor. Longer run cycles can improve air quality by improving air filtration. The secret is York two-stage, variable-speed furnace engineering. It’s a York engineering achievement providing unparalleled home comfort and operational economy.
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Special Benefits
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- Two-stage heating operation includes: two-stage gas valve, two-speed inducer operation, and variable-speed blower operation.
- Full-height blower compartment allows side- return application with no return air box.
- Field selectable continuous fan speed.
- Low unit amp requirement for easy replacement application.
- Ignition control supports 24 or 120 volt circuit outputs.
- 24V, 40VA control transformer and blower relay supplied for add-on cooling.
- Hi-tech tubular aluminized steel primary heat exchanger.
- Variable-speed ECM blower motor with 12 cooling CFM selections.
- Electronic hot surface ignition saves fuel costs, increases dependability and reliability.
- Two-speed induced combustion system with Inshot main burners for quiet, efficient operation.
- Adjustable 10-, 15-, 20-minute delay timer allows two-stage operation with single-stage thermostat.
- Timed-on, adjustable-off blower capability for maximum comfort.
- Blower-off delay for cooling SEER improvement.
- Built-in, high-level self-diagnostics with fault code display.
- 100% shut-off main gas valve and blower door safety switch for extra security.
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