Use and Care Guide

6
DRAINING FOR SERVICING OR FOR WINTER
The system should be drained before it is disconnected for servicing, or if it is inoperative for an extended
periodoftime,orifitisindangeroffreezing.ToDrain:
• Followtheinstructionsinyourpumpinstallationmanualtodrainthepump.
• Opentankdraincocktodraintank.
• Drainallpipingtoapoint3feetbelowgroundlevel.
DIAPHRAGM TANK INSTALLATION
Diaphragm tanks are recommended for clear water applications. Vertical tanks are the most commonly
usedtanks.However,horizontaltanksandin-linetanksmaybeusedwherespaceismorecritical.See
Tank Specifications for tank capacity.
General Materials
• OnecanPVCcement(readinstructionscarefully)•Onecanthreadcompound(readinstructionscarefully)
• One1in.gatevalve•One1/2in.reliefvalve•Enoughrigid1in.PVCpipeandcouplingstoreachfrom
pumptopressuretanktoserviceline•Onemale1in.PVCadapter•One1in.X11in.tankcrossor
11/4in.X13in.dependingonacceptancefitting,seeChart1•Two3/8in.plugs•One1/2in.boiler
drain•One1/2in.streettee
REMINDER: All joints and connections must be airtight. A single pin-hole leak will prevent the proper operation of
the system. Use thread compound on all threaded connections unless specified otherwise.
TYPICAL JET PUMP INSTALLATION
STEP 1
Complete pump assembly and electrical connections
as specified in pump installation manual. Place tank
in desired location and level it.
STEP 2
Thread tank tee into pressure tank so that the two
3/8 in. holes in the tee face upward. Thread street
tee into front of tank tee. See Figure 1.
3/8 in. PLUGS
TANK TEE
STREET TEE
Figure 1: Step 2
STEP 3
Thread 3/4 in. male PVC adapter into the inlet side
of tank tee. See Figure 2.
3/4 in. MALE
PVC ADAPTER
Figure 2: Step 3
STEP 4
Thread pressure relief valve into top of street
tee. Thread the 1/2 in. boiler drain into front of
street tee. Cut and cement as many sections and
couplings of PVC pipe needed to connect 3/4 in. male
PVC adapter to pump discharge. See Figure 3.