TEMPERATURE LIMIT & LWCO HydroStat

The Hydrostat is a universal temperature limit control combined with a low water cutoff, when used with the “hydrostat wells”. When used as a replacement aquastat only, an existing well can be used. This control replaces cold start and triple action aquastats using the existing wells. Replace the existing well with a “hydrostat well” and enjoy the benefit of a built in low water cutoff. Digital read out with LED diagnostics. Uses same terminal designations as standard aquastats. The 3150 is for use with oil boilers and the 3100 for use with gas boilers (warm start & cold start).

CAT. NO. MFG. NO. BURNER CONTACTS

30 VA

CIRCULATOR CONTACTS

Note: Burner and Circulator contacts rated at 120 Vac. OPERATING

3W3150 48-3150 FLA 7.4 amps FLA 5.8 amps Off, or 110f- 200f 3W3100 3100

FLA 5.8 amps Off, or 110f- 200f OPERATING

RANGE-LOW LIMIT RANGE-HIGH LIMIT 100f- 220f 100f- 220f

OPERATING DIFFERENTIAL 10f - 30f 10f - 30f

EACH

$230.39 $258.49

STANDARD INSERTION WELLS for HydroStat

CAT. NO. MFG. NO. DESCRIPTION 3W205 48-221 3W201 48-201 3W202 48-202

EACH

1/2” mpt standard insertion “Hydrostat” well $27.83 3/4” mpt standard insertion “Hydrostat” well $27.92 3/4” mpt extended insertion “Hydrostat” well $37.28

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CONTROLS