McDonnell & Miller Head Mechanism 93-HD, Use With Series 93, 193

For residential, commercial and industrial low or high pressure boiler applications. For boilers of any steaming capacity. Monel bellows provides corrosion resistance. Float chamber with integral water column provided Snap action 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. Optional features - Manual reset - Integral conductance probes for additional levels and greater operating differential-Model 157S-RBP-MD - 1" or 1-1/4" NPT equalizing tapings - 1/2" or 3/4" NPT tapings ...

Erie's PopTop motorized hydronic valves provide convenient, reliable and easy installation for a variety of heating and cooling applications. Installation is a snap with easy, one-handed removal or engagement of the actuator to the valve body. Push the button and lift. It's that simple. Made in the USA. Actuator can be easily attached after the valve body has been installed into the system Mounts quickly and easily without the need of linkages or calibration Temperature Range: 32° to 200°F 18" leads for actuators with end switches Voltage - 24 Vac @ 50/60 Hz, 110 Vac @ 50 Hz and ...

For residential and commercial low pressure steam boiler applications. For boilers of any steaming capacity. For mounting in 2-1/2" NPT boiler side tapings. Insertion lengths available in 13/16 - 41/8" (30-105mm). Pack less 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 feeder. Optional low voltage switches for self-generating mill volt circuits. Maximum steam pressure 20 psi (1. 4 kg/cm2). Made in the USA .

Low Pressure Brazed Plate Heat Exchanger, BP410-40LP Smaller, lighter, stronger, more efficent; Bell & Gossett Brazed Plate Heat Exchangers are ideal for residential and light commercial hydronic systems because they provide maximum heat dissipation. Unlike conventional shell and tube heat exchangers, our units can be used even in applications where space is at a premium. Their efficient design allows them to provide more heat transfer using less space, making them well suited to a variety of installations, including: domestic hot water, pool heating, radiant floors and snow melt. The ...

Features: Pneumatic actuators provide proportional control of steam or hot or cold liquids in HVAC systems by operating V5011, V5013, and VGF valve assemblies. Replacement devices are available for older Honeywell actuators Rolling diaphragm for long life and low hysteresis Easily attached to valve Can be installed after piping valve Slide lock feature permits simple engagement to valve stem Direct- or reverse-action control Does not include positive positioner Actuator Force : Low 1-3/8" For Valves with Bonnet Size