McDonnell Miller (162400) 93-HD Head MechanismModel number 93 HD is a head mechanism, with standard number 5 switch, for model number 93 and 193 controls. Head mechanisms include everything except a float chamber. They allow for quick and easy replacement by removing the bolts on the float chamber and then removing and replacing the new unit, with no need to disrupt piping. Part Number: 162400 Model: 93 HD Details Head mechanism only Connection type: screwed No. 5 Switch included For commercial

Residential and Light Commercial Applications

Shipped with a protective cap that can be used to control heating during the installing period

Model number 42S is a combination float-operated low water cut-off and pump controller for steam boilers that have a separate water column

Penn and other manufacturers

Field Configurable Control – easily configure the FPC-1000 for 24V

Hot Water Model No

Flow Range (GPM): 0-24

Connection Type: Threaded NPT

The 97 vent has forged brass body and cap with non-ferrous internals

Transparent zone above nut for checking the status of the actuator

It’s also an easy replacement for ALL electronic LWCO on the market

with standard number 7B switch