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resideo Differential Pressure Regulator, 1-1/4 in Nominal, FNPT Connection, 50 gpm Flow Rate, 85 psi, Brass, 395000 Btu/hr Nominal Capacity, 230 deg F, 8-1/2 in H x 4-1/4 in W
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$955.76Â /Â ea
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Attributes
Features & Benefits
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Attributes
BrandHoneywell
Connection TypeFNPT
Dimensions8-1/2 " H x 4-1/4 " W
Flow Rate50
IndustryHVAC
MaterialBrass
Nominal Capacity395000
Nominal Size1-1/4
Pressure Rating85
Temperature Rating230
Features & Benefits
Install between supply and return sides of a hydronic system to stabilize pressure differential and reduce the effects of demand changes
Control maintains a constant differential between the two sides by opening a bypass whenever the difference between supply and return reaches the setpoint
Provides silent, trouble-free service
Easy installation requires no electrical hookup
Easy adjustment of pressure by turning regulating cap
Built-in differential pressure indicator
Brass valve body with thermoplastic and stainless steel parts
Diaphragm of EPDM
The differential pressure regulator eliminates excessive pump head pressure, when most radiator valves are closed due to reduced demand, by controlling flow through a bypass line when the difference between supply/return exceeds the setpoint.