Before installation
Record untreated hardness, water use, peak simultaneous flow and the plumbing entry point. A grain-capacity headline does not tell you the usable capacity at the planned salt setting. Ask for the settings and regeneration assumptions in writing. Confirm that the proposed system can deliver the required service flow without unacceptable pressure loss.
What the installation should include
A written scope should show the bypass, brine tank, drain arrangement, overflow provision, electrical requirements and access for future service. Have the provider confirm site-specific code and permit needs. Photograph the proposed route before approving equipment so drain limitations or a narrow service space do not become surprises.
How to check the result
At commissioning, compare untreated and treated hardness at agreed sample points. Keep the settings, startup result, model and maintenance instructions. If a particular faucet remains hard, establish whether it is intentionally outside the treated line before blaming the equipment.
House, additional buildings and private-well boundaries
For a Wellington request, identify the supply serving each building before discussing equipment. A household connected to municipal water differs from a house on a private well, and a barn or irrigation line may be a separate scope. List the affected outlets and the demand the proposal is expected to serve. Do not apply a domestic equipment recommendation to animal-care or other specialist uses without the relevant professional guidance. A written line map helps the provider assess the correct project.