FREQUENTLY ASKED QUESTIONS

Q:  Can I flush through the Flow Center with a Flushcart?
A:  No, because there is too much pressure and it will blow out bottom or top of Flow Center.
 
Q:  Can I hook more than one Flow Center in a series or parallel?
A:  No, because it will pump through the other flow center which will push the lid out.
 
Q:  When the Flow Center turns off, the water level in the Flow Center rises.  Why?
A:  The water shouldn’t rise more than 3/4”.  If it rises more that that it has air in the system and
      must be reflushed.
 
Q:  On the Flow Centers, when two or more pumps are bolted together does this cause pump          
      cavitation?
A:  No.  It has been tested by the manufacturer of the pumps that it will not cause cavitation.
 
Q:  What is the best way to check the flow of a Flow Center?
A:  We highly recommend a Flowmeter Tool but, you may use a pressure drop across the heat 
      pump.
 
Q: Do I have to shut down my geothermal system to check my water level, add antifreeze or just to  
      look inside?
A:  No.  As long as you are using the GT® or QT® (any non-pressurized Flow Center).
 
Q:  Should I throttle my pumps on the Flow Center with the top or bottom ball valve?
A:  Pumps should be throttled at heat pump, but if no valves are available throttle with the top ball
      valve of the Flow Center never the bottom.
 
Q:  Will the Flow Center work with my heat pump?
A:  Yes.  The Flow Center is designed with the foot of head needed to work with any heat pump.
 
Q:  Can I overfill the Flow Center?  If so where should I fill it to?
A:  Yes.  It should be filled at the bottom of the elbow on GT®’s and the top of the elbow on QT®’s.
 
Q:  Can I over tighten the lid on a Flow Center?
A:  Yes.  It should only be snugged down hand tight.
 
Q:  Do I have to use a Flushcart when using the Flow Center?
A:  You must use a Flushcart only if you header outside.
 
Q:  Can the HP or Loopfield be higher than the Flow Center?
A:  Yes, up to 30 FT above the Flow Center.
 
Q:  How can I buy from B & D?
A:  You must be able to prove you are a distributor.
 

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