I have a sets unit (tankless watre heater) my hot water temp keeps going up and down due to my pressure goimg up and down. i asked the water people i they coud raise the pressure but said it was 35psi. to 45psi. The sets unit people told me that it was my pressure and i need to fixc that 1st ; but was told about a in-line pressure pump.would this work??

izzy70

so your are talking about the volume not pressure ,or it's basically both .

izzy70

what is an " atmospheric vacuum breaker" .. i found 2 pressure tanks with bladders in them, will those be fine ?? and this booster (flowtec — 1560 GPH, 3/4 HP, 1in., Model# FP4815) will both these be fine ?? thet booster is adjustable according to the specs;but the tanks are exspensive..

speedball1

Izzy, Click on;Davey’s HS multistage booster system with Hydrascan control gives strong, even water pressure HS12-30HT1,HS12-40HT1,HS18-30HT1, HS18-40HT2, HS20-65-Ht2, XF14-30K1
to check out in-line booster pumps. Let me knoiw what you decide. Tom

izzy70

yeah i looked at the pumps and they upgraded their the bt's #'s now .. my gpm is 55seconds a gallon and this pump will bring it to 3 gpm. ; but do i still need the 2 pressure tanks with a pump?? i still looking and making sure i pick the right one. thanks again

speedball1

The bladder tank is there to provide a steady flow. I can see no advantage in having two of them. Regards, Tom

izzy70

okay so then i'll need 1 tank and i looked up the davy's pumps and found that they said the bs series was not made for whole house pressure. i looked at the "BT Torrium Control Pumps". they seem to be the one i want and how do i exactly choose what size tank and who to buy from ?? there's is expensive; the Low Flow Packages about $1800.00 with pump ans a mini pressure tank, the holding tank is 220 gals.