The Si-1801 23'  pump is capable of evacuating 132 gph, and is suitable for condensing boilers & furnaces, industrial refrigeration cases, and air conditioning units. 

Can endure acidic condensate pH > 2.5
Easily removable tank for simple maintenance
Oil & acid resistant flow
Discharges condensate up to 23'
Low sound level: ≤ 45 dBA

Technical details

Max flow rate132 gph
Mains supply120V: (SI1801SCUS11) / 230V: (SI1801SCUS23)
Operation conditions30%: 3s ON - 7s OFF
Max condensate temperature150 °F
Max condensate aciditypH > 2.5 (Gas Condensing Boilers)
Weight5.50 lb
Master pack quantity6
Safety switch 
NC 4 A resistive - 42V peak
Thermal protection 
230 deg. F (auto-reset)

Pump dimensions

Pump11''5 3/16''6 23/32''
Packaging11 5/8''5 5/16''7 1/4''

Detection levels

ON2 3/32''
OFF1 21/32''
SAFETY2 1/2''

Pump sound levels

at 3,3ft or 1m according to EN ISO3744 (dBA)<= 45
Kit contents 
One-piece centrifugal pump with 1/2 gal. tank
Integrated barb end check valve 3/8” o.d. (10 mm)
6' power cord
Safety switch wires (1' bare ends)
Adaptor: 5/8" i.d., 3/4" i.d, 1" i.d., 1 1/4" i.d.
2 screws & 2 wall anchors
Safety standards 
UL/CSA by Intertek
RoHS and WEEE directives 
Technical data sheet