Specification Sheet

Rheem Manufacturing Company 7
• Combustible Floor Base RXHB-
• Jumper Bar Kit 3 Ckt. to 1 Ckt. RXBJ-A31 is used to convert
single phase multiple three circuit units to a single supply
circuit. Kit includes cover and screw for line side terminals.
• Jumper Bar Kit 2 Ckt. to 1 Ckt. RXBJ-A21 is used to convert
single phase multiple two circuit units to a single supply circuit.
Kit includes cover and screw for line side terminals.
• Note: No jumper bar kit is available to convert three phase
multiple two circuit units to a single supply circuit.
• External Filter Base RXHF-
Accessories-Kits—Parts
21 RXHB-21
Model Cabinet Size
Combustible Floor
Base Model Number
Nominal Cooling
Capacity-Tons
Auxiliary Horizontal Overflow Pan
Accessory Model Number
2 - 3 RXBM-AC48
Model
Cabinet Size
Filter Size
In. [mm]
21 20 x 20 [508 x 508]
Part
Number
RXHF-21
A
19.20
B
21.00
Model
Cabinet Size
Part
Number*
A
RXHF-B21
Filter Size
In. [mm]
20.40
B
20.7721 20 x 20 [508 x 508]
• Auxiliary Electric Heater Kits RXBH-
Heater Kits include circuit breakers which meet UL and cUL
requirements for service disconnect. See the Electric Heat
Electrical Data in this specification sheet for specific Heater Kit
Model numbers.
[ ] Designates Metric Conversions
*Accommodates 1" filter
• External Filter Base RXHF-B
RXHF-B
B
A
B
A