Resideo D146M1040 Pressure Regulator
For veteran hydronic contractors managing variable load systems, the Resideo D146M1040 Pressure Regulator is a critical component for eliminating excessive pump head pressure. This 1 1/4" differential pressure regulator is specifically engineered to stabilize the pressure differential between supply and return lines, effectively preventing velocity noise and pump cavitation when zone valves or radiator valves close during low-demand cycles. Built with a rugged brass valve body and an EPDM diaphragm, it ensures long-term operational reliability in high-temperature environments up to 230°F. The D146M1040 bypass valve features a field-adjustable regulation range of 0-17 PSI, easily modified via the top regulating cap without the need for specialized tools or electrical wiring. With a flow capacity of 18 GPM and a 85 PSI maximum inlet rating, this angled pressure regulator provides silent, trouble-free performance in any hydronic heating system application where precise differential pressure control is non-negotiable for system longevity.
Key Benefits- System Noise Reduction: Eliminates the "whistling" associated with high-velocity flow through partially closed radiator valves by opening a dedicated bypass.
- Pump Protection: Maintains a constant 1.25" differential to prevent dead-heading centrifugal pumps, extending the service life of expensive circulators.
- Integrated Monitoring: Features a built-in differential pressure indicator for immediate visual verification of current setpoints and system status.
- Simplified Installation: The angle-type design with 1-1/4" FNPT threaded connections allows for straightforward integration into existing boiler room piping without electrical hookups.
What is the maximum temperature rating for this regulator?
This unit is designed for high-performance hydronic applications, supporting media temperatures up to 230°F (110°C).
Can the pressure range be adjusted under load?
Yes, the 0-17 PSI range is easily adjusted by turning the regulating cap, allowing for real-time calibration based on system demand changes.
Does this unit require an external power source?
No, the Resideo D146M1040 is a purely mechanical differential pressure regulator that operates based on system pressure without the need for wiring.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $383.23
-65%$383.23
$134.13Product Information
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Description
For veteran hydronic contractors managing variable load systems, the Resideo D146M1040 Pressure Regulator is a critical component for eliminating excessive pump head pressure. This 1 1/4" differential pressure regulator is specifically engineered to stabilize the pressure differential between supply and return lines, effectively preventing velocity noise and pump cavitation when zone valves or radiator valves close during low-demand cycles. Built with a rugged brass valve body and an EPDM diaphragm, it ensures long-term operational reliability in high-temperature environments up to 230°F. The D146M1040 bypass valve features a field-adjustable regulation range of 0-17 PSI, easily modified via the top regulating cap without the need for specialized tools or electrical wiring. With a flow capacity of 18 GPM and a 85 PSI maximum inlet rating, this angled pressure regulator provides silent, trouble-free performance in any hydronic heating system application where precise differential pressure control is non-negotiable for system longevity.
Key Benefits- System Noise Reduction: Eliminates the "whistling" associated with high-velocity flow through partially closed radiator valves by opening a dedicated bypass.
- Pump Protection: Maintains a constant 1.25" differential to prevent dead-heading centrifugal pumps, extending the service life of expensive circulators.
- Integrated Monitoring: Features a built-in differential pressure indicator for immediate visual verification of current setpoints and system status.
- Simplified Installation: The angle-type design with 1-1/4" FNPT threaded connections allows for straightforward integration into existing boiler room piping without electrical hookups.
What is the maximum temperature rating for this regulator?
This unit is designed for high-performance hydronic applications, supporting media temperatures up to 230°F (110°C).
Can the pressure range be adjusted under load?
Yes, the 0-17 PSI range is easily adjusted by turning the regulating cap, allowing for real-time calibration based on system demand changes.
Does this unit require an external power source?
No, the Resideo D146M1040 is a purely mechanical differential pressure regulator that operates based on system pressure without the need for wiring.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
