anyone ever installed a pentair mastertemp 200 to a pentair easytouch?

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aaron_w_o

Bronze Supporter
Apr 15, 2018
201
ottawa, ontario, canada
Pool Size
40000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-20
hi, i am going to try this myself... but it looks confusing using manuals.

gas line is already installed and connected to heater (done by a pro).

plumbing: water in & out looks simple.
what about the Pressure relief valve - manual says i need to "Drill the npt port" I dont want to be drilling my new heater. is the npt port just something on the outer panel? there seems to be a nut near bottom of manifold i could unscrew (on left of manifold off to the side)... perhaps that is where the fittings for the PRV go?

electrical:
power- my guess is i need a 240v 15a dual pole breaker (GFI) for the heater. dedicated to just the heater. is this correct? it would be identical to the breaker presently on the pump. i ran a long piece of 14ga teck cable from panel to heater. just waiting to make connections.
i have a 6ga bonding wire and bonding lug ready to make proper grounding.

control:
i have run 18 gauge cabtyre from heater to easytouch. easytouch has 2 posts for "gas heater" already... cant be easier.
inside heater: do i remove the spade jumper from the fuse that jumps over to firemans and then connect the other ends of the 18 gauge cabtyre from my panel to those 2 free posts? does it matter which side is connected to which?
 
See my answers listed in red below.

aaron_w_o said:
hi, i am going to try this myself... but it looks confusing using manuals.

gas line is already installed and connected to heater (done by a pro).

plumbing: water in & out looks simple.
what about the Pressure relief valve - manual says i need to "Drill the npt port" I dont want to be drilling my new heater. is the npt port just something on the outer panel? there seems to be a nut near bottom of manifold i could unscrew (on left of manifold off to the side)... perhaps that is where the fittings for the PRV go?

The pressure relief valve has a threaded end of which after you drill out the space, you can screw it in.

electrical:
power- my guess is i need a 240v 15a dual pole breaker (GFI) for the heater. dedicated to just the heater. is this correct? it would be identical to the breaker presently on the pump. i ran a long piece of 14ga teck cable from panel to heater. just waiting to make connections. i have a 6ga bonding wire and bonding lug ready to make proper grounding.

You can go 120 or 240. Doesn't need a GFI. A regular breaker will do fine. Yes don't forget bonding wire.

control:
i have run 18 gauge cabtyre from heater to easytouch. easytouch has 2 posts for "gas heater" already... cant be easier.
inside heater: do i remove the spade jumper from the fuse that jumps over to firemans and then connect the other ends of the 18 gauge cabtyre from my panel to those 2 free posts? does it matter which side is connected to which?

Yes you remove the jumper and then connect your two wires from the ET to the heater. It does not matter which end goes were.
Click to expand...
 
thanks for the clarifications.
about the drilling for the PRV - what or where am i drilling into? just the thin plastic cover or shroud (that is removable with a couple screws) which will allow the PRV pipes to extend outside of the unit?
or something else? the manifold seems to have the threaded end for the pipe, so i assume I am not to drill the manifold.
i am not clear on what an NPT port is, as I cannot find a description.

in the attached photos.
1)is the perforated spoon shaped cutout on the lower left of the shroud the NPT port that is to be drilled?
2)is the big silver square nut the thing i need to remove and thread the pipe into for the PRV?
3)and is the little yellow loop of wire between fuse and post the "jumper" i remove and then replace with the control feed?

image1.JPGimage1(1).JPGimage2.JPG
 
Yes you remove part of the spoon shaped cutout and then yes remove the silver plug and screw in your pressure relief valve.

Yes the yellow wire is where you would make your connection for the ET wiring. You can just take that yellow wire and cut it in two and wire nut your ET wires to each half.
 
Excellent! I am more confident now! Thank you. Hopefully last question: I was able to source a 50psi prv today at a local plumbing shop. However it's BTU rating is like 950k, and my heater is 200k- is that relevant? There do not seem to be 50psi 200k prv for sale!
 
That one will be just fine. I have yet to hear or see one on a pool heater every actually being put into action. Usually they end up leaking over time and I get to replace them.
 
hi, closing loop on this thread.
install went well and heater working great.
PRV is on, not leaking ;)
heater working good, i get about +2 celsius per hour. was nice and toasty thig evening when i swam with my boys (we swim at 84F) or 27c.

THANKS EVERYONE
 
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