Windsor M X F Angle Union


Heavy-forged brass angle valve with solid hardwood handle for steam and hydronic applications. Failsafe brass-on-brass seals. Available in three finishes and sizes.

1.25″ FIP x 1.25″ NPT, 1″ NPT x 1″ FIP or 0.75″ NPT x 0.75″ FIP connections
Suitable for hydronic and steam based application
Triple-sealed stem, failsafe double-seal seat
1.25″ valves ideal for one-pipe steam radiators up to 12,000 BTUs
1″ valves ideal for one-pipe steam radiators up to 5,000 BTUs
10-year Ironshield Warranty

Forged brass lockshield valve
For hydronic radiators
Operated using a slotted screwdriver
.75” FIP x .75” NPT connections
Straight body pattern
10-year Ironshield Warranty


None Niva Angled Lockshield - Chrome - .75" +$57.00 Niva Angled Lockshield - Satin Nickel - .75" +$57.00 Niva Angled Lockshield - Natural Brass - .75" +$57.00 Niva Angled Lockshield - Antique Brass - .75" +$57.00


The Windsor XL Control Valves are brass constructed, manually operated valves for 3/4”, 1”, and 1.25” NPT threading. An aesthetic upgrade on the usual large mechanical valves without sacrificing durability or function. Good for hydronic and steam applications, and available in 3 finishes, the Windsor XL Control Valve is a perfect partner for steel piped systems.

Matching escutcheons for steel 3/4”, 1”, and 1.25” pipe available.

Available in Chrome, Satin Nickel, and Natural Brass

Three connection options: 

1¼” FIP x 1¼” NPT 

1″ FIP x 1″ NPT 

¾” FIP x ¾” NPT

Suitable for hydronic or steam

10-Year Ironshield Warranty

Weight3.31 lbs
Dimensions7.1 × 5.5 × 3.7 in
Valve Size0.75 x 1.25 x 1 in

Additional information

Weight0.91 lbs
Dimensions17 × 8 × 20 in

Chrome, Natural Brass, Satin Nickel, Unlacquered Brass


0.75", 1.25", 1"