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DWYER 64系列蒸汽热水锅炉液位开关(McDonnell & Miller)详细信息：
产品名称:  64系列蒸汽热水锅炉液位开关(McDonnell & Miller)
产品型号:  64适用于家庭、商业、工业蒸汽锅炉重型的zui大锅炉压力：50psi（3.5kg/cm2）*关输出
64、64-A、64-B、64-M可选
UL、FM认证
DWYER 64系列蒸汽热水锅炉液位开关(McDonnell & Miller) 
型  号 描  述
63 Low water cut-off
63-B 63 w/ float block
63-BM 63 w/float block & manual reset
63-M 63 w/manual reset
64 Manual reset
64-A 64 w/quick hook-up fittings
64-B 64 w/float block
64-M 64 w/manual reset
61 Low water cut-off
67 Low water cut-off
67-G 67 for millivolt service
67-LQHU 67 without quick hook-up fittings
67-M 67 w/manual reset
69 Low water cut-off w/41?8" (105mm) insertion length
69-MV-P 69 w/millivolt switch
169 69 w/31?8" (79mm) insertion length
269 69 w/21?4" (57mm) insertion length
369 69 w/13?4" (45mm) insertion length
369-MV 369 w/millivolt switch
469 69 w/13?16" (30mm) insertion length
569 469 w/13?16" (30mm) insertion length 4.0 (1.8)
w/1?4" NPT tapping
150S Combination low water cut-off/pump controller