The Caleffi F19153 is the replacement three-way thermostatic mixing valve for Caleffi 172-series manifold mixing stations, the brass-bodied valve unit that blends boiler supply down to the 80 - 130 F radiant set point.
Product data compiled from Caleffi North America technical documentation (01170 NA, 01155 NA). Last reviewed July 2026.
Key Features
Factory Three-Way Mixing Valve
Brass body and bonnet with PSU shutter and EPDM seals - the same valve unit fitted to 172-series stations.
Restores 80 - 130 F Control
Renews accurate fixed-point mixing across the station's full adjustment range.
1 in Female Nut Connection
Connects to the station with the 1 in female union nut - no piping changes.
Thermostatic Actuator Compatible
Accepts the station's thermostatic actuator with built-in sensor.
Technical Data
| Function | Manifold / mixing station service part |
|---|---|
| Valve | Three-way thermostatic mixing valve unit |
| Body | Brass; PSU shutter; EPDM seals |
| Control temperature range | 80 - 130 F (25 - 55 C) |
| Connection | 1 in female with nut |
Documentation
Related Products
Frequently Asked Questions
The three-way thermostatic mixing valve unit on a Caleffi 172-series manifold mixing station - the brass valve that blends supply water to the 80 - 130 F set point.
It is the valve unit; the station's thermostatic actuator with built-in sensor mounts to it. Confirm actuator condition when servicing.
Via the 1 in female nut connection on the station - no piping modifications required.
- Type:
- Accessory
