Hi-Velocity RCM-70-A2L (R-454B/R-32) TX Refrigerant Module w/ RDS Kit Refrigerant Coil
The RCM-70-A2L (R-454B/R-32) TX Refrigerant Module w/ RDS Kit is the R-454B / R-32 (A2L) configuration of the RCM-70 Refrigerant Cooling Module — a heat-pump-ready TX cooling coil designed as an add-on to an existing Hi-Velocity air handler. Mounts on the return-air side using two L-mounting brackets, with its own drain pan and dual 3/4" drain connections. Rated for 2.5–3.0 tons of cooling (30–36 MBH). Ships with the RDS Kit (mitigation board + refrigerant sensor) required for A2L installations.
Key features
- Copper tubing with aluminum fins (0.006 in / 0.152 mm)
- Drain pan with two 3/4" drain connections (primary + secondary)
- Factory-installed R-454B / R-32 (A2L) TX expansion valve with built-in check valve — heat-pump-ready
- Two L-mounting brackets for retrofit air-handler attachment
- Freeze stat, access port(s) and carry-over screen included
- RDS Kit — mitigation board and pre-installed A2L refrigerant sensor
Specifications
| Coil family | Hi-Velocity RCM Series (Refrigerant Cooling Module) |
|---|---|
| Refrigerant type | R-454B / R-32 (A2L) |
| Nominal cooling tonnage | 2.5–3.0 tons (8.8–10.6 kW) |
| TX cooling capacity (MBH) | 30–36 MBH |
| Liquid line | 1/2" |
| Suction line | 7/8" |
| Drain connection | 3/4" M CPVC |
| Fin material | Aluminum (0.006 in / 0.152 mm) |
| Tubing material | Copper |
| Compatible air handlers | HE-Z/HE-B/HE/HV-70/71, LV-Z/LV-B-1050/1051, LV-70 |
| Includes | RDS Kit (mitigation board + refrigerant sensor) |
| Shipping weight | 34 lbs |
| Shipping dimensions | 23"x11"x19" |
Applications
The RCM series is the retrofit cooling upgrade for an already-installed Hi-Velocity air handler — L-mount brackets allow attachment to the return-air side without dismantling the base unit. For new-build installations where cooling is specified up-front, the RBM base module is typically the cleaner mechanical solution.
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