Monel bellows provides corrosion resistance|Snap action switches for high temperature service|(1) single pole, single throw switch for pump control|(1) single pole, double throw switch for low water|Cut-off and alarm actuation|For boilers of any steaming capacity|With maximum differential operation|Prevents nuisance burner shutdowns in low pressure applications operating less than 50 ps
McDonnell & Miller Low Water Cut-Off, Mechanical, Series: 150S, 120/240 VAC, 150 psi, Automatic Reset, NPT, 1 in, 345 VA, 6 in W, 12-7/16 in Height