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The Apollo Valves model 35-503-01 is a high-efficiency Fast Fill Pressure Regulator designed for boiler systems, facilitating make-up water input at reduced inlet pressures and featuring rapid purge and fill capabilities. Crafted in the USA from ASTM-certified materials, this regulator ensures durability and corrosion resistance, with an in-line replaceable cartridge.
Featuring FNPT Union x FNPT connection types, this pressure regulator is tailored for seamless integration into your heating system. It comes equipped with an integral check and stainless steel strainer.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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