Which area has harder water: Sector MK41 0 or Sector SW1A 1?

Sector MK41 0 has harder water at 310 PPM compared to Sector SW1A 1 at 275 PPM (a difference of 35 PPM).

What are the Bosch dishwasher salt settings for MK41 0 vs SW1A 1?

Bosch dishwashers should be set to H07 (Max Salt) in Sector MK41 0 and H04 in Sector SW1A 1.

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Water Quality Comparison Analysis

Executive Summary: Sector MK41 0 vs Sector SW1A 1

Comparing tap water mineral concentration between Sector MK41 0 (Anglian Water) and Sector SW1A 1 (Thames Water) reveals a water hardness difference of 35 PPM. Sector SW1A 1 has softer water at 275 PPM (Hard) compared to Sector MK41 0 at 310 PPM (Very Hard).

Limescale risk and boiler heating efficiency vary based on these mineral levels. Households in Sector MK41 0 experience higher heating element degradation and kettle scale accumulation due to elevated calcium carbonate density (310 PPM vs 275 PPM).

For home appliance setup, Bosch dishwasher water softener settings should be calibrated accordingly: Sector MK41 0 requires setting H07 (Max Salt) whereas Sector SW1A 1 recommends setting H04.

Comparative Analysis VerifiedNguyễn Hạc Phong • Founder & Data Engineer

Data Methodology & Sources →

Sector SW1A 1 has 35 PPM LOWER water hardness than Sector MK41 0

Lower PPM indicates softer water, reduced limescale risk, and lower detergent usage.

Water Metric

Sector MK41 0Outcode: MK41

Sector SW1A 1Outcode: SW1A

Hardness (PPM)

310 PPM

275 PPM

Clark Degrees

21.7 °Clark

19.3 °Clark

Classification

Very Hard

Hard

Bosch Salt Setting

H07 (Max Salt)

H04

Water Supplier

Anglian Water

Thames Water

Postcodes Covered

262 postcodes

66 postcodes