Recommended installation
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1. Cold water supply
2. 3/4” NPT isolation valve
3. ACT4 wireless pump
4. 3/4” NPT male adapter, if required
5. 3/4” NPT isolation valve
6. Hot water source
7. Hot water
8. Flexible supply line
Install the pump
1. Remove the motor and timer unit, O-ring, and insert from the pump housing. Set
these items aside.
Installation
Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance
Manual
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