domestic selection guide
These recommendations are based on
guidelines in BS 6700.
Guidance should be sought for unusual
applications.
E.g. High flow-rate showers, large baths etc.
|
Hot Water Demand |
Bedrooms |
Gas/Oil
Indirect |
Electric
Direct |
|
|
|
|
|
|
1 Bathroom or Shower |
Bedsit / 1 Bed |
60/90/100 |
150 |
|
|
2-3 Bed |
120 |
180 |
|
|
3-4 Bed |
150 |
210 |
|
|
|
|
|
|
1 Standard Bath |
2-3 Bed |
120 |
210 |
|
|
3-4 Bed |
120 |
210 |
|
|
|
|
|
|
2 Bath and En-suite |
2-3 Beds |
150 |
210 |
|
|
3-4 Beds |
150 |
210 |
|
|
4-5 Beds |
180 |
250 |
|
|
|
|
|
|
2 Standard Baths |
2-3 Bed |
180 |
210 |
|
|
3-4 Bed |
180 |
210 |
|
|
4-5 Bed |
210 |
250 |
|
|
|
|
|
|
3 Bathrooms |
3-4 Bed |
250 |
300 |
|
|
4-5 Bed |
250 |
300 |
|
|
5-6 Bed |
300 |
300 |
|