Project Specifications
8
United Industries, Inc.
P.O. Box 58
Sterling, KS 67579
800-835-3272 • 620-278-3160
Fax 800-500-3115 • 620-278-3115
www.towerflo.com
Form TFH-PSP-3/3:2/17
Data presented here is the best available at the
time of publicaton. United Industries and/or its
representatives assume no liability for its use.
Series
TFH
COMMON ADDITIONAL EQUIPMENT:
NOZZLES
___
Sweeper-Eductor Nozzle
, 1/4" MPT, ABS plastic, quantity of _____.
HOLDERS
___
Clip-On Nozzle Holder
, quantity of _____; for ___ 1-1/4"; ___ 1-1/2"; or ___ 2" PVC pipe.
SURGE TANK
___
Polyethylene tank
for backwash surge capture and gravity release to closest drain:
______ gallon capacity, ____" diameter x ____" high, with a ____" diameter lid in top head and a 2" FPT
drain bulkhead fitting.
___
Bulkhead fitting, additional,
for inlet from filter ___ 2", ___3", or ___ 4", for field installed by others;
___
Manual ball valve,
2", 2-way, , ___ Sch 40 PVC, ___ Sch 80 PVC, ___ brass, for field installation by oth
-
ers on drain piping from tank for isolation and/or throttling.
LIQUID LEVEL
___
Liquid level control assembly
for backwash surge tank to interrupt filter pump if/when surge tank nears
capacity. Includes: ITT McDonnell-Miller 750B liquid level controller mounted in separate NEMA 3R enclo
-
sure requiring separate 120 V power supply factory mounted on filter’s control panel bracket (unless oth
-
erwise specificed); sensor; 3 trimmable probes (L, H, and Ground); field wiring from sensor to LLC enclo-
sure by others. Also includes additional contacts for remote pump on/off in filter control panel.
___
Liquid level control column assembly
; 2” Sch 80 piping assembly mounted on side of poly tank to
isolate liquid level probes from turbulance in poly tank.
SOLENOID VALVE
___
Solenoid valve
, for backwash siphon break, _____", bronze, with 24 VAC solenoid.
NOTE:
Backwash flow rate, irrespective of water source, must be no less than 75% and no greater than 100% of the vessel's
designed maximum gpm. Backwash duration is factory preset at 3 minutes and is field adjustable.