Spec Sheet

Emerson.com/White-Rodgers
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R-4825
Rheem Single Stage Air Handler Controls for PSC and ECMx Blower Motors
48P21-811, 48X21-811 Fast and easy direct OEM replacement for Rheem/RUUD applications
Model 48P21-811 48X21-811
Blower Motor PSC ECMX
Versatility Replaces 14 controls Replaces 9 controls
Harness Included Yes to replace 47-00436-04 N/A
Mounting Drop-in replacement Drop-in replacement
Fuse 3 AMP 3 AMP
Input Voltage 25 VAC, 50/60 Hz 25 VAC, 50/60 Hz
Operating Temperature Range -40° to 176°F (40° to 80°C) -40° to 176°F (40° to 80°C)
Humidity Range 5-95% relative humidity (non-condensing) 5-95% relative humidity (non-condensing)
Agency Approvals UL UL
Limited Warranty 1 year 1 year
TIMING SPECIFICATIONS:
Model Thermostat Input Blower ON Delay Blower OFF Delay
48P21-811
G 2 seconds 30 seconds
W1 or W2 2 seconds 75 seconds
48X21-811
G or Y1 0 seconds 0 seconds
W1 or W2 0 seconds 45 seconds
Rheem / RUUD Brands
47-100436-02
47-102077-02
47-102077-05
47-102077-05-00
1139 -151
1139 -83-1511A
White-Rodgers
48X21-101
48X21-111
48X21-811
48X21-811 CROSS REFERENCE:48P21-811 CROSS REFERENCE:
Rheem / RUUD Brands
47-100436-01
47-100436-04
47-100436-04-03
47-100436-05
47-100436-84A (115V Kit)
47-100436-84D (460V Kit)
47-100436-84J (208/240V Kit)
47-102077-04
47-102077-04-00
1005-173A
1005-83-1722A
1139 -83-160A
White-Rodgers
48P21-111
48P21-811
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