The RHQA series was built for versatility and efficiency in older HVAC configurations.
Tighten loose terminal screws and look for signs of scorched insulation or pitted contactors.
To keep your Rheem furnace operating safely and to prevent expensive component burnouts, follow this regular maintenance checklist:
: Indicates the electrical configuration, usually 208/240V single-phase with a dedicated circuit breaker for the combined circuit. Key Specifications & Features rheem model no rhqa 1220t pdf
The unit is designed for upflow, downflow, or horizontal airflow configurations, making it adaptable to various attic, basement, or closet installations.
If the above doesn't return results, try these HVAC manual archives:
Typically priced around $1,005 .
| Specification | Likely Value | |---------------|---------------| | Cooling Capacity | 12,000 BTU/h | | Heating | Electric resistance heat (3.5–5 kW) | | Voltage | 208/230V (or possibly 265V for commercial) | | Phase | Single | | Plug Type | Dedicated PTAC cord (NEMA configurations vary) | | Chassis Type | Standard PTAC wall sleeve | | Refrigerant (old) | R-22 (now obsolete; newer units use R-410A or R-32) | | Control Type | Digital wall thermostat or unit-mounted controls |
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Once you successfully download the PDF, verify these details immediately: The RHQA series was built for versatility and
Regular maintenance is essential for extending the 10-15 year average lifespan of Rheem units.
The DIY community has documented some specific challenges when connecting the RHQA series to newer smart thermostats. Here are a few real-world scenarios to help you navigate the process:
The RHQA series blowers have multiple speed taps (Low, Medium, High) for different CFM (cubic feet per minute) requirements. You can change the speed to optimize for humidity removal or cooling efficiency by moving the wire on the blower control board or relay. Key Specifications & Features The unit is designed
If you need help resolving a specific issue with this air handler, please share (e.g., making a weird noise, not blowing air, leaking water). I can give you a targeted troubleshooting checklist or help you interpret the wiring schematic . Share public link
A 20 kW heating element requires a 208/240-volt, single-phase, 60Hz power supply. Because 20 kW draws significant amperage, the unit requires multiple circuit breakers at your main electrical panel. Circuit Breaker Configuration