Skip to main content
Same-day dropship shipping on 13,900+ parts from 100+ brands Email quotes@globalpartsupply.com

Caleffi 553642A Automatic Filling Valve 1/2" NPT

Caleffi

$113.95

In Stock

(No reviews yet) Write a Review
SKU:
553642A
Product Type:
Automatic Boiler Fill Valve
Subcategory:
Pressure Reducing Fill Valve
Application:
Residential/Commercial
System Type:
Boiler, Radiant Heating, Hydronic System
Installation Type:
OEM Replacement
Temperature Range:
41°F to 150°F
Setpoint Range:
3–60 psi
Pressure Rating:
230 psi (max inlet)
Inlet Size:
1/2" Male NPT
Connection Type:
NPT
Connection / Joint:
NPT
Material:
Brass
Control Type:
Non-Programmable
Adding to cart… The item has been added

Flat-rate shipping. The same price to anywhere in the 50 states.

Ships same or next business day · UPS Ground, typically 1–5 business days.

Caleffi AutoFill automatic boiler fill valve maintains proper system pressure in sealed hydronic heating systems. Features factory pre-set 15 psi pressure (adjustable 3–60 psi), integrated 0–60 psi gauge, built-in check valve, strainer, and manual shut-off. Fills automatically to setpoint without manual lever operation. Rated for water and glycol solutions up to 150°F.