Schuller HS-1-300 Hydraulic Separator
304 Stainless steel body hydraulic separator with 3″ CLASS 150 ASME/ANSI B16.5 flanges
300 stainless steel internal baffle
1/2″ FIP top air vent connection
1/2″ FIP bottom drain connection
1/2″ FIP side water makeup connection
Included are:
1 HS-1-300 Hydraulic separator
1/2″ Bronze body air vent
Functions:
Separate the primary (boiler) loop from the secondary loop through a low pressure loss zone
Slow down flow allowing air to be trapped and vented on top
Allowing dirt to settle to the bottom to be drained
Equalize pressure differences between primary and secondary loops
Mix supply and return waters for a gradual temperature rise

Model | A | B | C | D | E | F | G | H | Shipping Weight |
HS-1-300 | 38" (46" with stand) | 10-¾" | 3" CLASS 150 ASME/ANSI B16.5 Flanges | ½" FNPT | ½" FNPT | 7-½" | ¾" | 6.30" | 70 lbs |