The Vola / Hastings VR5277LK is a replacement thermostatic cartridge used as the temperature control cartridge in selected VOLA thermostatic mixer valves. It controls the blend of hot and cold water inside the valve to help restore stable showering temperature and correct operation of the temperature control handle.
This cartridge is identified by Part Number VR5277LK. VOLA data also shows VR5277K as an option in relevant thermostatic mixer documentation, so check the marking on the existing cartridge and the valve model before ordering if your current part is labelled VR5277K.
| Brand | VOLA / Hastings |
|---|---|
| Part Number | VR5277LK |
| Part type | thermostatic temperature control cartridge |
| Application | selected VOLA thermostatic mixer valves |
| Temperature stop reference in VOLA fitting data | around 38C / 100F |
Common symptoms of a worn or failed thermostatic cartridge can include unstable water temperature, the mixer running too hot or too cold, poor temperature adjustment, or the temperature handle no longer controlling the blend correctly. Before ordering, compare the cartridge code and confirm the shower mixer model where possible.
TACSIL silicone grease is recommended for the O-rings of thermostatic cartridges during installation. Apply only a thin layer to the O-rings and avoid forcing the cartridge if the valve body is scaled or blocked.
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