369MV LOW WATER CUT-OFF W/ MILLIVOLT SWITCH Winters Thermometers Model 21LT provides the greatest

Model 21LT provides the greatest accuracy of temperature control

The one-piece body construction (no welding) provides strength

200 compliant and ASTM E2251 compliant

McDonnell & Miller 69 Series Data Sheet

• Meets Federal Specification WW-V-151 for Type 1 Non-Adjustable Valves

369MV LOW WATER CUT-OFF W/ MILLIVOLT SWITCH Winters Thermometers Model 21LT provides the greatestLow Water Cut Offs Mechanical For Steam Boilers Series 69 Built in Low Water Cut Offs For residential and commercial low pressure steam boiler applications For boilers of any steaming capacity For mounting in 212" NPT boiler side tappings Insertion lengths available in 1316 418" (30 105mm) Packless bellows Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut off and an alarm or electric water