Today's Hours 8am - 9pm est
The McDonnell & Miller Model 551Sis a mechanical float-type make up water feeder. The water feeder float chamber is piped into an external water column via 1” NPT equalizing pipes. This is strictly a mechanical assembly, it does not include any electrical switches/contacts. The float is mechanically linked the makeup control valve.When the water level drops, the valve modulates open to allow water into the tank. As the level rises, the proportional valve starts closing off. Once, the level reaches the center of the float chamber, the valve will completely close off. The 551S is typically used to control makeup water to steam separators, receivers, feed tanks, and other vessels. The 551S can handle a maximum water supply pressure of 75 PSI at 120°F and a maximum vessel pressure of 25 PSI. Within boiler feed systems, the McDonnell & Miller 551S is commonly used on small, economical, atmospheric feed tanks. The 551S is used to control the makeup water into the tank.
Features| McDonnell & Miller 551S (136400) Water Feeder | |
|---|---|
| SKU | MM551S |
| Weight (in lbs) | 35.700000 |
| Brand/Manufacturer | McDonnell & Miller |
| Resources | You will need Adobe® Acrobat® Reader to view PDF documents |
| Safety Information | PROPOSITION 65 WARNING |
Our mission is simple: To provide an open HVAC marketplace online, offering the best HVAC brands directly to the public, based on real, affordable prices. For too long, local dealers have charged whatever they could get away with - but now YOU HAVE A CHOICE.
Choose us for:
We sell products at wholesale pricing. No markups, no hidden fees. Our average customer saves BETWEEN THREE TO SIX THOUSAND DOLLARS
-That's the Direct Advantage!
Just because a brand is nationally known, doesn't mean it's the best. Our HVAC technicians have hand-selected the most efficient and durable products for American homeowners, giving you exactly what you need at the best pricing.
We choose products with long, best-in-the-market warranties by manufacturers with great customer service and solid reputations. This gives you peace of mind that you'll be getting a great quality product.
We've helped over 100,000 American homeowners and earned their trust.
