Series e-HSC Double Suction Centrifugal Pumps

Although every building is unique in architecture and operation, they all rely on an HVAC system to ensure the comfort, well-being, and productivity of their occupants. And although there are different designs and approaches to achieving proper indoor environmental control, a centrifugal pump plays a critical role in the performance of chillers, boilers, cooling towers,

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All Hydronic Heating

Low Water Cut-Offs Series 67

For residential and commercial applications For boilers of any steaming capacity Quick hook-up fittings provided Lever-operated, full port ball valve for easy blow down Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder Optional features Low voltage switches for self-generating millivolt

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Probe Type LWCO Series PSE-800-M

The Series PSE-800-M Manual Reset LWCO is a new addition to the McDonnell & Miller probe type low water cut-off group of products. These controls are used as the secondary LWCO on steam boilers and can be used as the primary LWCO on hot water heating boilers. With a self-cleaning probe, available only on McDonnell

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Probe Type LWCO Series PSE

The Series PSE-800 probe type LWCO uses patented technology to monitor changes in water conductivity. When defined parameters are exceeded the new PSE-800 makes a decision to shut the burner off based on the volatility/variability of the resistance readings. This new patented technology provides the best protection possible without turning off the boiler unless a

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Low Water Cut-Offs Series 767

Features and Benefits For residential and commercial low pressure boiler applications For boilers of any steaming capacity 21⁄2″ NPT body tapping for side mounting on boilers Lever-operated, full port ball valve for easy blow down Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut-off and alarm or

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Low Water Cut-Offs Series 764

Features and Benefits For residential, commercial, and industrial boiler Applications of any steaming capacity Heavy duty Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder Packless bellows 2 1/2″ NPT side tapping provided for installation with close nipple Maximum boiler pressure

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Low Water Cut-Offs Series 750 & 751P/752P

The Series 751P/752P probe type LWCOs provide protection against low water conditions for commercial and industrial applications. These controls are fully CSD-1 compliant and are primarily used as LWCOs on hot water heating boilers. Features and benefits 120V/24V Models available Green LED indicates power On Red LED indicates Low Water Test button Meets requirements of

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Built-In Low Water Cut-Offs Series 69

Features and Benefits For residential and commercial low pressure steam boiler applications For boilers of any steaming capacity For mounting in 21⁄2″ NPT boiler side tappings Insertion lengths available in 13⁄16 – 41⁄8″ (30-105mm) Packless bellows Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut-off and an

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Low Water Cut-Offs Series 64

Features and Benefits For residential, commercial, and industrial boiler applications of any steaming capacity Heavy Duty Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder Packless bellows Optional manual reset available 1″ (25mm) NPT equalizing pipes required Maximum boiler pressure 50

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Low Water Cut-Offs Series 63

Features and Benefits For residential, commercial, and industrial applications Heavy duty Includes No. 2 switch Optional manual reset available Maximum boiler pressure 50 psi (3.5 kg/cm2) Use with TC-4 on hot water systems