Honeywell M847D-ZONE 24v S/R Open AirZoningDampAct
TRUEZONE REPLACEMENT ACTUATOR - ZON The Universal Zone Actuator from Honeywell is used in conjunction with the 875 series of open air zoning dampers and the 831 damper actuator designed for most...
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Designed for use with most major gas furnaces and older gas water heaters, this gas control valve is the best choice for maintaining consistent temperature throughout your home. By controlling the speed of your furnace through a feedback switch, this valve maintains consistent temperature in all rooms. This Modulating Spring Return Valve incorporates a built-in protection device to protect against over-temperature.
Keep your heating and air conditioning experienced professionals properly operating your home's heating and cooling systems while you're away or asleep. The Modulating Spring Return Valve from Honeywell automatically maintains your ideal comfort level. It controls the modulating speed of gas-fired forced-air furnaces of up to 100,000 BTU/Hr. and modulating natural gas-fired boilers of up to 80,000 BTU/Hr., allowing for optimal efficiency.
If you are looking for the very best in a spring return valve, and you have space to install a medium size motor, this MODUTROL IV is the kind of valve that manufacturers put into huge high pressure equipment systems.
The NEW MODUTROL IV is a direct plug-in replacement for many standard valves, eliminating the need for costly wiring modifications. A solid state controller controls valve operation via a IEEE 488 interface. The MODUTROL IV will support up to four ranges in a five zone system with user assignable modulation rates and delays. The MODUTROL IV can be used from 5/8" through 2" pipe sizes, up to 10 GPM and can support refrigerant pressures up to 125 psi.
The NEW MODUTROL IV ACTUATOR is a replacement for the Honeywell IV Series Washer Valve. Its motorized assembly allows the valve to position the valve plug at any point in the fill cycle. This feature allows the system to operate most efficiently under varying conditions such as, changes in tank pressure, and drain pipe water hammer. The spool is designed not to distort when subjected to shock loads that may be encountered during firing of certain types of applications, or when water sprays on the valve body.
The Modutrol IV motor modulating control valve corrects excessive furnace draft resulting in lower fuel bills, increased comfort and reduced fire hazards.
The Honeywell D501819 MODUTROL IV 20VAC motorized valve replaces two orifices in process piping to maintain a desired flow in viscous and low viscosity liquid applications. The MODUTROL IV is ideally suited for use as a vapor phase separator discharge valve, high pressure feed pump relief, and reclaim suction manifold.