Resideo - Honeywell Home D146M1040 Differential Pressure Regulator Valve

The Differential Pressure Regulator Valve from Resideo - Honeywell Home (D146M1040) delivers precise control for hydraulic heating systems. This angled valve features a 1-1/4 inch nominal size and female threaded connections for easy installation and a secure seal. Built to handle demanding temps and pressures, it combines a brass body with an EPDM diaphragm for durability and reliable performance.

Designed for downstream pressure control, it supports 0 to 17 PSI and tolerates up to 85 PSI upstream, with a temperature rating of 230°F. The valve's compact dimensions are 4-1/4 inch wide by 8-1/2 inch high, and it accommodates flows up to 50 GPM, enabling efficient operation in modern heating circuits. The built-in differential pressure indicator helps monitor performance at a glance, making maintenance straightforward and proactive.

• Angled configuration for installation flexibility.
• Nominal size 1-1/4" with female threaded x female threaded ends.
• Brass body with an EPDM diaphragm for long life.
• Downstream 0–17 PSI; upstream 85 PSI max pressure range.
• Built-in differential pressure indicator for quick monitoring.
• Ideal for hydraulic heating systems with up to 50 GPM flow and 395,000 BTU/hour capacity.