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Tenselo Tenselo Water Engineering Tools
Domestic Pump Selector

The right pressure pump, picked for you.

Enter the household demand and Tenselo picks the actual pump model across every major brand — DAB, Grundfos, Davey, Onga and more — with the head margin shown. Built for plumbers and pump shops.

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Domestic water in Tenselo

A short introduction to what Tenselo covers in this category.

A worked example

DAB Euronox 40/80 (1.0 kW)

Matched at 60 LPM @ 45 m · +3.2 m margin · or Grundfos / Davey / Onga equivalents

These figures come from the Tenselo engine. Every result Tenselo produces shows the inputs it used and the method behind it, so the work can be checked rather than taken on trust.

Inputs
Input mode Direct flow + head
Required flow 60 LPM
Required head 45 m
= pressure 4.41 bar
Results
60 LPM
Duty flow
45 m
Required head
48.2 m
DAB @ 60 LPM
+3.2 m
Head margin
1.0 kW
Motor
13+
Brands compared

Why it matters on the job

The actual pump, not a class

Enter flow and head — get the real model that covers it, across 13+ brands, with the head margin in metres.

Demand from the house

Fixture-unit flow and total head (lift, storeys, residual pressure, friction) so the duty you select against is real.

Rainwater & tanks too

Tank sizing and rainwater yield in the same pocket-sized pack.

What is in this category

6 Domestic Water & Pumps calculators

Every calculator in this category, by its reference code. Running them needs a Tenselo subscription — subscriptions open soon.

  • DOM-001 Domestic Filtration

    Whole-house or single tap -> sediment, carbon & UV sizing

  • DOM-002 Domestic Pump Match (replace an old pump)

    Pick the old pump by brand then model -> closest in-stock replacement per brand, with both curves overlaid

  • DOM-003 Domestic Pump Selector

    Home pressure pump pick per brand (DAB, Grundfos, Davey, Ebara, Onga, Bianco, Wilo, Pentair, Southern Cross, Calpeda, Lowara, Reefe, Pentax, Maxijet...)

  • DOM-004 Domestic Water Softeners

    Resin & FRP vessel, capacity, salt and days between regens

  • DOM-005 Pump Duty (Fixture Count)

    AS/NZS 3500.1 loading-unit flow + storey-based head

  • DOM-006 Rainwater Tank Yield & Size

    Roof catchment yield vs demand + a dry-spell tank-size guide (AU rainwater harvesting, screening)

Subscriptions open soon

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