⚡ Keep your boiler pressure flawless—effortless, reliable, essential.
The Caleffi 553542A AutoFill Automatic Boiler Fill Valve features a durable stainless steel and brass construction with 1/2-inch MNPT inlet and outlet connections. Designed to maintain stable boiler pressure automatically, it offers a compact footprint and built-in pressure indicator, making it an essential upgrade for efficient, worry-free boiler system management.
Material | Stainless Steel, Brass |
Brand | Caleffi |
Item dimensions L x W x H | 2 x 4.81 x 5.94 inches |
Inlet Connection Size | 0.5 Inches |
Inlet Connection Type | National Pipe Tapered |
Outlet Connection Type | MNPT |
Number of Ports | 2 |
Outlet Connection Size | 0.5 Inches |
Valve Type | automatic fill valve |
Global Trade Identification Number | 08016615073072 |
Manufacturer | Caleffi |
Part Number | 553542A |
Item Weight | 1.65 pounds |
Product Dimensions | 2 x 4.81 x 5.94 inches |
Item model number | 553542A |
Item Package Quantity | 1 |
Measurement System | inch |
Batteries Included? | No |
Batteries Required? | No |
M**Y
Exact replacement part
Hot water heating system
J**H
Well constructed!
Nicely made, easy to read and install... I used it for a boiler feed line.
B**L
Doesn't come with gauge.
This valve works well with my boiler. Just remember to plug the opening with a brass plug for the gauge or put a gauge on it. Don't leave the plastic plug in it.
S**E
Superb!
Works perfectly and easy to install.
Trustpilot
1 month ago
5 days ago