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the SP8980B is specifically calibrated for natural gas applications
which protects the integrity of the boiler vessel during peak demand cycles
the 100170490 is engineered to maintain stable firing rates and optimize thermal efficiency across varying load demands
Broad Compatibility: Engineered for use with R-410A
Which models is the 20171002AS compatible with
Honeywell VP512A1742 Valve 321142-301 the SP8980B is specifically calibratedThe Honeywell VP512A1742 is a heavy duty, 1 inch normally open pneumatic unit ventilator valve designed for the proportional control of steam or hot water in commercial HVAC systems. Built with a right angle body pattern and high quality bronze construction, this globe style valve features a 10 Cv flow capacity and a 3 8 psi spring range, ensuring precise modulation for terminal unit applications. As a direct replacement for 658 0012, it is engineered
