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Hi, got a Saunier Duval Isomax F28E where the domestic water pump stays on even when no water is demanded. It only goes off when the control panel selector is in the "heating only" position. Please help.

Posted by Anonymous on

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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: How do I increase the water pressure on the saunier Duval boiler?

not enough infromations give more detail

Posted on Dec 09, 2009

aquaman987
  • 927 Answers

SOURCE: Hi, Got a Saunier Duval Thema

http://www.saunier-duval.co.uk/manuals/pdf/noncurrent_products/installation_ThemaF23e-SBF23e.pdf

Here are complete instructions for installation and service including purging air and refilling. One of the first suggestions is that service is to be referred to a competent technician.

Gary

Posted on Dec 18, 2010

  • 7 Answers

SOURCE: Hi, I have a Saunier Duval? Theilea twin 28e

You may want to check the Pressure Reducing Valve On the supply line to the building. Easiest way to check is get a guage that hooks up to your hose bib (usually found in the sprinkler section at your hardware store). If your pressure is getting above 80, you need a new PRV.

Posted on Feb 14, 2011

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My boiler dosent come on i have no hot water but when i turn the heating on boiler works but still no hot water what should i do


Hot water is gravity fed through your pipes. When you turn the faucet on the water will flow through the pipes. If your hot water heater is natural gas driven relight the pilot. Same if oil fueled. If electrical, check fuse to see if it has blown or the circuit breaker has tripped. If either has tripped, replace it and if it blows again the heater has a serious failure, you might need to buy a new one. If pilot won't light on gas unit, try relighting after 5 minutes, could be a bad thermocouple.

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Hi, I have a Saunier Duval? Theilea twin 28e


You may want to check the Pressure Reducing Valve On the supply line to the building. Easiest way to check is get a guage that hooks up to your hose bib (usually found in the sprinkler section at your hardware store). If your pressure is getting above 80, you need a new PRV.

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Hi, Got a Saunier Duval Thema F 23 E and need to repressurise it (currently at 0 bars). can you provide any help on how to do it? Thanks.


http://www.saunier-duval.co.uk/manuals/pdf/noncurrent_products/installation_ThemaF23e-SBF23e.pdf

Here are complete instructions for installation and service including purging air and refilling. One of the first suggestions is that service is to be referred to a competent technician.

Gary

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Two Rinnai's in series, large house, using circulater with electric pump connected to 2 gallon electric water heater. Problem is the Rinnai's seem to be firing almost constantly, apparently due to some...


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