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Maxitrol M420H-3/8 Modulator Valve for Liquid Propane Gas 3/8" NPT 1/2" PSI

Maxitrol M420H-3/8 Modulator Valve for Liquid Propane Gas 3/8" NPT 1/2" PSI
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Maxitrol M420H-3/8 Modulator Valve for Liquid Propane Gas 3/8" NPT 1/2" PSI

Maxitrol M420H-3/8 Modulator Valve for Liquid Propane Gas 3/8" NPT 1/2" PSI

SKU: M420H-3/8
Rating:
Quantity Price Stock
Usually Ships 3 - 4 Weeks
Usually Ships 3 - 4 Weeks
$196.81     /ea
Usually Ships 3 - 4 Weeks
Order in mulitples of 10
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$0.00
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M420H-3/8
The M420H-3/8 is a modulating valve that has a 3/8" NPT pipe size.  The valve is designed to operate without needing any external mechanical activation.  CSA-certified.

The modulating valve is suitable for applications such as atmospheric, infrared, and direct-fired burners.  It can be altered for indirect-fired atmospheric burners.  The unit features a wider modulation span ideal for liquid propane gas.  

The M420H-3/8 can be installed in a vertical position within a horizontal pipe run and downstream of other controls.
Maximum Inlet Pressure 1/2"
Pipe Size 3/8" NPT
Non-Operating Ambient Temperature -50º to 185ºF (-45º to 85ºC)
Ambient Operating Temperature -40º to 125ºF (-40º to 50ºC)
Vent Outlet Size 1/8" NPT
Certifications CSA-certified
Gas Liquid Propane

Following are the Attached files for this product:

Maxitrol M420H-3/8 Modulator Valve Technical Datasheet

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Q: 
what is m420rh
Asked on Dec 05, 2016 by rich from enumclaw, wa
1 Answers

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A: 
The 'M' means a separate regulator must be used should be upstream of the modulator
The 'R' means the low fire by-pass outlet is on the right side of the valve.
The 'H' means that the valve has the capability for a total modulation span as much as 10" W.C.
Please note that the M420RH is only available in 1/2" NPT (not 3/8")
Replied on Dec 06, 2016 by Ron from Industrial Stores