Hot water systems · Scheduled
Low or No Hot Water Pressure
Hot water pressure is much weaker than cold, or fluctuates at the outlet.
This fault is normally treated as scheduled work because the plant remains usable, but the fault will get more expensive the longer it is left.
Where a site runs on borehole water, hardness and iron content shorten service intervals considerably and are worth testing before setting a maintenance plan.
- Equipment
- Hot water systems
- Priority
- Scheduled
- Call
- 069 268 0988
What we find
Likely causes
- Scaled or blocked pipework
- Failed pressure control valve
- Partially closed isolation valve
- Collapsed flexible connection
- Air trapped in the hot water circuit
Test sequence
How we diagnose it
- Static and dynamic pressure measurement
- Valve position and condition audit
- Flexible hose inspection
- Flow measurement at outlets
Repair route
Services that resolve this fault
Hot Water Geyser Repairs
Element, thermostat, valve and leak repairs on electric geysers.
5 000 Litre Hot Water Geyser Repairs
Large-volume storage geyser repairs, elements, thermostats and stratification.
Industrial Hot Water Systems
Design, repair and optimisation of bulk hot water plant.
Calorifier Repairs
Steam and hot water calorifier coil, control valve and tank repairs.
Hot Water Storage Tank Maintenance
Descaling, anode replacement and integrity checks on storage vessels.
Emergency Breakdown Service
Priority attendance for total hot water or steam loss.
Coverage
Attendance by area
- Low or No Hot Water Pressure Johannesburg
- Low or No Hot Water Pressure Sandton
- Low or No Hot Water Pressure Randburg
- Low or No Hot Water Pressure Rosebank
- Low or No Hot Water Pressure Midrand
- Low or No Hot Water Pressure Fourways
- Low or No Hot Water Pressure Bryanston
- Low or No Hot Water Pressure Morningside
- Low or No Hot Water Pressure Bedfordview
- Low or No Hot Water Pressure Germiston
- Low or No Hot Water Pressure Boksburg
- Low or No Hot Water Pressure Benoni
- Low or No Hot Water Pressure Kempton Park
- Low or No Hot Water Pressure Edenvale
- Low or No Hot Water Pressure Alberton
- Low or No Hot Water Pressure Springs
- Low or No Hot Water Pressure Brakpan
- Low or No Hot Water Pressure Roodepoort
- Low or No Hot Water Pressure Krugersdorp
- Low or No Hot Water Pressure Randfontein
- Low or No Hot Water Pressure Florida
- Low or No Hot Water Pressure Northcliff
- Low or No Hot Water Pressure Rivonia
- Low or No Hot Water Pressure Woodmead
- Low or No Hot Water Pressure Sunninghill
- Low or No Hot Water Pressure Kyalami
- Low or No Hot Water Pressure Centurion
- Low or No Hot Water Pressure Midstream
- Low or No Hot Water Pressure Irene
- Low or No Hot Water Pressure Lanseria
- Low or No Hot Water Pressure Pretoria
- Low or No Hot Water Pressure Pretoria East
- Low or No Hot Water Pressure Pretoria North
- Low or No Hot Water Pressure Rosslyn
- Low or No Hot Water Pressure Silverton
- Low or No Hot Water Pressure Centurion Highveld
- Low or No Hot Water Pressure Wynberg
- Low or No Hot Water Pressure Isando
- Low or No Hot Water Pressure Jet Park
- Low or No Hot Water Pressure Modderfontein
- Low or No Hot Water Pressure Honeydew
- Low or No Hot Water Pressure Ruimsig
- Low or No Hot Water Pressure Melville
- Low or No Hot Water Pressure Parktown
- Low or No Hot Water Pressure Braamfontein
- Low or No Hot Water Pressure Soweto
- Low or No Hot Water Pressure Lenasia
- Low or No Hot Water Pressure Roodepoort West
- Low or No Hot Water Pressure Sandown
- Low or No Hot Water Pressure Illovo
- Low or No Hot Water Pressure Hyde Park
- Low or No Hot Water Pressure Douglasdale
- Low or No Hot Water Pressure Greenstone
- Low or No Hot Water Pressure Wadeville
- Low or No Hot Water Pressure Nigel
- Low or No Hot Water Pressure Vereeniging
- Low or No Hot Water Pressure Meyerton
- Low or No Hot Water Pressure Sebokeng
- Low or No Hot Water Pressure Tembisa
- Low or No Hot Water Pressure Alexandra
- Low or No Hot Water Pressure Bryanston East
- Low or No Hot Water Pressure Bryanston West
- Low or No Hot Water Pressure Bryanston Ext 3
- Low or No Hot Water Pressure Bryanston Ext 7
- Low or No Hot Water Pressure Bryanston Ext 8
- Low or No Hot Water Pressure Bryanston Ext 11
- Low or No Hot Water Pressure Bryanston Ext 15
- Low or No Hot Water Pressure Morningside Ext
- Low or No Hot Water Pressure Morningside Manor
- Low or No Hot Water Pressure Morningside Ext 40
- Low or No Hot Water Pressure Morningside Hills
- Low or No Hot Water Pressure River Club
- Low or No Hot Water Pressure River Club Estate
- Low or No Hot Water Pressure Sandown Ext
- Low or No Hot Water Pressure Strathavon
- Low or No Hot Water Pressure Illovo Ext
- Low or No Hot Water Pressure Inanda
- Low or No Hot Water Pressure Inanda Ridge
- Low or No Hot Water Pressure Atholl
- Low or No Hot Water Pressure Atholl Gardens
- Low or No Hot Water Pressure Atholl Ext
- Low or No Hot Water Pressure Wierda Valley
- Low or No Hot Water Pressure Wierda Valley Ext
- Low or No Hot Water Pressure Parkmore
- Low or No Hot Water Pressure Parkmore Ext
- Low or No Hot Water Pressure Hurlingham
- Low or No Hot Water Pressure Hurlingham Estate
- Low or No Hot Water Pressure Hurlingham Manor
- Low or No Hot Water Pressure Hurlingham Ext
- Low or No Hot Water Pressure Benmore
- Low or No Hot Water Pressure Benmore Gardens
- Low or No Hot Water Pressure Benmore Gardens Ext
- Low or No Hot Water Pressure Duxberry
- Low or No Hot Water Pressure Duxberry Ext
- Low or No Hot Water Pressure Sunninghill Gardens
- Low or No Hot Water Pressure Sunninghill Ext
- Low or No Hot Water Pressure Rivonia Ext
- Low or No Hot Water Pressure Edenburg
- Low or No Hot Water Pressure Edenburg Ext
- Low or No Hot Water Pressure Dainfern
- Low or No Hot Water Pressure Dainfern Valley
- Low or No Hot Water Pressure Dainfern Golf Estate
- Low or No Hot Water Pressure Dainfern Ridge
- Low or No Hot Water Pressure Dainfern Valley Estate
- Low or No Hot Water Pressure Fourways Gardens
- Low or No Hot Water Pressure Fourways Gardens Estate
- Low or No Hot Water Pressure Lone Hill
- Low or No Hot Water Pressure Lone Hill East
- Low or No Hot Water Pressure Lone Hill Ext
- Low or No Hot Water Pressure Beverley
- Low or No Hot Water Pressure Beverley Gardens
- Low or No Hot Water Pressure Craigavon
- Low or No Hot Water Pressure Craigavon Ext
- Low or No Hot Water Pressure Cedar Lakes
- Low or No Hot Water Pressure Cedar Creek
- Low or No Hot Water Pressure Cedar Hills
- Low or No Hot Water Pressure Broadacres
- Low or No Hot Water Pressure Broadacres Estate
- Low or No Hot Water Pressure Broadacres Ext
- Low or No Hot Water Pressure Chartwell
- Low or No Hot Water Pressure Chartwell Country Estate
- Low or No Hot Water Pressure Chartwell North
- Low or No Hot Water Pressure Steyn City
- Low or No Hot Water Pressure Kengies
- Low or No Hot Water Pressure Norscot
- Low or No Hot Water Pressure Norscot Slopes
- Low or No Hot Water Pressure Douglasdale Ext
- Low or No Hot Water Pressure Magaliessig
- Low or No Hot Water Pressure Magaliessig Ext
- Low or No Hot Water Pressure Paulshof
- Low or No Hot Water Pressure Paulshof Ext
- Low or No Hot Water Pressure Rosebank Ext
- Low or No Hot Water Pressure Parkwood
- Low or No Hot Water Pressure Parkwood Estate
- Low or No Hot Water Pressure Saxonwold
- Low or No Hot Water Pressure Saxonwold Ext
- Low or No Hot Water Pressure Houghton Estate
- Low or No Hot Water Pressure Houghton
- Low or No Hot Water Pressure Houghton Estate Ext
- Low or No Hot Water Pressure Upper Houghton
- Low or No Hot Water Pressure Lower Houghton
- Low or No Hot Water Pressure Killarney
- Low or No Hot Water Pressure Parktown North
- Low or No Hot Water Pressure Parkview
- Low or No Hot Water Pressure Parkview North
- Low or No Hot Water Pressure Westcliff
- Low or No Hot Water Pressure Westcliff Ext
- Low or No Hot Water Pressure Dunkeld
- Low or No Hot Water Pressure Dunkeld West
- Low or No Hot Water Pressure Hyde Park Ext
- Low or No Hot Water Pressure Craighall
- Low or No Hot Water Pressure Craighall Park
- Low or No Hot Water Pressure Craighall North
- Low or No Hot Water Pressure Melrose
- Low or No Hot Water Pressure Melrose North
- Low or No Hot Water Pressure Melrose Estate
- Low or No Hot Water Pressure Melrose Arch
- Low or No Hot Water Pressure Birdhaven
- Low or No Hot Water Pressure Oaklands
- Low or No Hot Water Pressure The Gardens
- Low or No Hot Water Pressure Forest Town
- Low or No Hot Water Pressure Riviera
- Low or No Hot Water Pressure Waverley
- Low or No Hot Water Pressure Norwood
- Low or No Hot Water Pressure Orchards
- Low or No Hot Water Pressure Northcliff Ridge
- Low or No Hot Water Pressure Northcliff Ext
- Low or No Hot Water Pressure Blackheath
- Low or No Hot Water Pressure Blackheath Ext
- Low or No Hot Water Pressure Franklin Roosevelt Park
- Low or No Hot Water Pressure Fairland
- Low or No Hot Water Pressure Fairland Ext
- Low or No Hot Water Pressure Randpark
- Low or No Hot Water Pressure Randpark Ridge
- Low or No Hot Water Pressure Randpark Ext
- Low or No Hot Water Pressure Randpark Golf Estate
- Low or No Hot Water Pressure Boskruin
- Low or No Hot Water Pressure Boskruin Ext
- Low or No Hot Water Pressure Bromhof
- Low or No Hot Water Pressure Bromhof Ext
- Low or No Hot Water Pressure Robin Hills
- Low or No Hot Water Pressure Robin Hills Ext
- Low or No Hot Water Pressure Weltevreden Park
- Low or No Hot Water Pressure Weltevreden Park Ext
- Low or No Hot Water Pressure Constantia Kloof
- Low or No Hot Water Pressure Constantia Kloof Ext
- Low or No Hot Water Pressure Radiokop
- Low or No Hot Water Pressure Radiokop Ext
- Low or No Hot Water Pressure North Riding
- Low or No Hot Water Pressure Northwold
- Low or No Hot Water Pressure Northwold Ext
- Low or No Hot Water Pressure Kya Sand
- Low or No Hot Water Pressure Waterfall
- Low or No Hot Water Pressure Waterfall Country Estate
- Low or No Hot Water Pressure Waterfall Estate
- Low or No Hot Water Pressure Waterfall Valley
- Low or No Hot Water Pressure Waterfall Hills
- Low or No Hot Water Pressure Waterfall Village
- Low or No Hot Water Pressure Waterfall Ridge
- Low or No Hot Water Pressure Carlswald
- Low or No Hot Water Pressure Carlswald North
- Low or No Hot Water Pressure Carlswald Estate
- Low or No Hot Water Pressure Kyalami Estate
- Low or No Hot Water Pressure Kyalami Hills
- Low or No Hot Water Pressure Kyalami Gardens
- Low or No Hot Water Pressure Blue Hills
- Low or No Hot Water Pressure Blue Hills Estate
- Low or No Hot Water Pressure Beaulieu
- Low or No Hot Water Pressure Beaulieu Estate
- Low or No Hot Water Pressure Noordwyk
- Low or No Hot Water Pressure Noordwyk Ext
- Low or No Hot Water Pressure Crowthorne
- Low or No Hot Water Pressure Crowthorne AH
- Low or No Hot Water Pressure Glenferness
- Low or No Hot Water Pressure Glenferness AH
- Low or No Hot Water Pressure Halfway Gardens
- Low or No Hot Water Pressure Halfway House
- Low or No Hot Water Pressure Midstream Estate
- Low or No Hot Water Pressure Midstream Ridge
- Low or No Hot Water Pressure Midstream Meadows
- Low or No Hot Water Pressure Glenvista
- Low or No Hot Water Pressure Glenvista Ext
- Low or No Hot Water Pressure Glenanda
- Low or No Hot Water Pressure Glenanda Ext
- Low or No Hot Water Pressure Bassonia
- Low or No Hot Water Pressure Bassonia Estate
- Low or No Hot Water Pressure Bassonia Rock
- Low or No Hot Water Pressure Mondeor
- Low or No Hot Water Pressure Mondeor Ext
- Low or No Hot Water Pressure Mondeor Ridge
- Low or No Hot Water Pressure Mulbarton
- Low or No Hot Water Pressure Mulbarton Ext
- Low or No Hot Water Pressure Meyersdal
- Low or No Hot Water Pressure Meyersdal Eco Estate
- Low or No Hot Water Pressure Meyersdal Nature Estate
- Low or No Hot Water Pressure Meyersdal Crest
- Low or No Hot Water Pressure Meyersdal Ext
- Low or No Hot Water Pressure Winchester Hills
- Low or No Hot Water Pressure Winchester Hills Ext
- Low or No Hot Water Pressure Oakdene
- Low or No Hot Water Pressure Oakdene Ext
- Low or No Hot Water Pressure The Hill
- Low or No Hot Water Pressure The Hill Ext
Also check
Related faults
Hot Water Geyser Not Heating
No hot water at the taps although the geyser has power and water.
5 000 Litre Geyser Not Heating
A large storage geyser is not reaching temperature or recovers far too slowly.
Commercial Hot Water System Failure
The site loses hot water during peak periods while plant appears to be running.
Calorifier Not Heating
The calorifier receives steam or hot water but the stored water stays cold.
FAQs
Frequently asked questions
What causes low or no hot water pressure?
The usual causes are scaled or blocked pipework, failed pressure control valve, partially closed isolation valve, collapsed flexible connection. Which one it is can only be confirmed by measurement, not by symptom alone.
How do you diagnose it?
Static and dynamic pressure measurement; Valve position and condition audit; Flexible hose inspection; Flow measurement at outlets. The readings are recorded so the repair decision is based on data.
Can I keep using the system in the meantime?
Usually yes, for a short period, but efficiency and component life are both being lost while the fault persists.
Where do you attend this fault?
Across Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria.
Get low or no hot water pressure diagnosed
Scheduled attendance across Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria.