STEP 3 HYDRAULIC PLUMBING
The following diagram shows the proper plumbing for the Model 500P THERMAFLOW
assembly. Please carefully read the helpful hint and notes listed below before beginning.
HELPFUL HINT
We recommend the use of 1 1/2” suction hose for all applications, especially if the
THERMAFLOW assembly will be operated in cold weather. If the suction hose is too
small the hydraulic pump will cavitate and fail prematurely.
NOTE: Be careful not to over tighten NPT threads. It is very easy to crack these types
of ports when tightening fittings.
NOTE: When mounting the THERMAFLOW Model 500P across the frame rails and
behind the cab, make sure that the suction and pressure hoses are properly plumbed
and secured away from the driveline.
INSTALLATION GUIDE, OPERATING PROCEDURES & PARTS BREAKDOWN
PAGE 4
STAC INC
ST PAUL MN
800-334-7699
DIAGRAM A
Hydraulic plumbing diagram for THERMAFLOW Model 500P
352'8&73803
372
+<'5$8/,&3803
02725%<3$669$/9(
237,21$/
+&1
+&
0272502817
3
352'8&7,1
+<'5$8/,&5(7851
&$6('5$,1
352'8&7287
+<'5$8/,&02725
®