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Learn More About Caleffi Z45
Caleffi Z-One Z45 2-Way Valve and Actuator Set with 18" Leads & AUX Switch, 3/4" Sweat, Normally Closed, 7.5 Cv, 20 PSI
$130.88
Factory-Direct
Learn More About Caleffi Z50
Caleffi Z-One Z50 2-Way Valve and Actuator Set with Terminal Block & AUX Switch, Inverted Flare, Normally Closed, 3.5 Cv, 30 PSI
$127.21
Factory-Direct
Learn More About Caleffi Z50F
Caleffi Z-One Z50F 2-Way Valve and Actuator Set with Terminal Block & AUX Switch, Inverted Flare & 3/4" Sweat Connections, Normally Closed, 3.5 Cv, 30 PSI
$143.38
Factory-Direct
Learn More About Caleffi Z54
Caleffi Z-One Z54 2-Way Valve and Actuator Set with Terminal Block & AUX Switch, 1/2" Sweat, Normally Closed, 2.5 Cv, 50 PSI
$124.26
Factory-Direct
Learn More About Caleffi Z56
Caleffi Z-One Z56 2-Way Valve and Actuator Set with Terminal Block & AUX Switch, 1" Sweat, Normally Closed, 7.5 Cv, 20 PSI
$166.18
Factory-Direct
Learn More About Caleffi Z57
Caleffi Z-One Z57 2-Way Valve and Actuator Set with Terminal Block & AUX Switch, 1-1/4" Sweat, Normally Closed, 7.5 Cv, 20 PSI
$193.38
In-Stock
Learn More About Caleffi 386500
Caleffi 3/4" Manifold Outlet Cap, 3/4" Straight Thread
$7.50
In-Stock
Learn More About Caleffi 41371A
Caleffi 1-1/2" NPT Male Tailpiece for model 523080A, all ports compatible
$43.46
Factory-Direct
Learn More About Caleffi 41372A
Caleffi 2" NPT Male Tailpiece for model 523090A, all ports compatible
$56.25
Factory-Direct
Learn More About Caleffi 41380A
Caleffi 1/2" Sweat Tailpiece for model 573 Backflow Preventer
$10.66
In-Stock
Learn More About Caleffi 502610A
Caleffi Automatic Air Vent, 1/8" NPT Male Connections
$11.40
Factory-Direct
Learn More About Caleffi 502620A
Caleffi Automatic Air Vent, 1/4" NPT Male Connections
$12.06
Factory-Direct
Learn More About Caleffi 551067A
$264.79
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About Caleffi 561402A
Caleffi 1/2" MNPT Service Check Valve, no purging system required
$11.47
Factory-Direct
Learn More About Caleffi 562100
Caleffi Anti Suction Cap for Discal 551 & DiscalDirt 546 series
$14.93
In-Stock
Learn More About Caleffi 59804A
Caleffi 1/4" MNPT Service Check Valve, no purging system required
$9.93
Factory-Direct
Learn More About Caleffi 59840A
Caleffi Tail Piece with Check Valve, 3/4" NPT Male Connection, Low-Lead Brass
$21.91
Factory-Direct
Learn More About Caleffi 59894A
Caleffi Tail Piece with Check Valve, 1" NPT Male Connection with 1" Nut, Low-Lead Brass
$35.15
Factory-Direct
Learn More About Caleffi 59906A
Caleffi Tail Piece with Check Valve, 1" Sweat Connection, Low-Lead Brass
$32.87
In-Stock
Learn More About Caleffi 61215A
Caleffi 1" FNPT x 1-1/4" Male Thread Connection Bushing Fitting
$16.18
Factory-Direct
Learn More About Caleffi 644350A
Caleffi 3-Way Diverting Motorized Ball Zone Valve, 3/4" NPT Connections, 4.5 Cv
$259.56
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About Caleffi 644359A 3BY
Caleffi 3-Way Bypass Motorized Ball Zone Valve, 3/4" Sweat Connections, 12 Cv Ball, 1.5 Cv Bypass
$267.65
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About Caleffi 644360A
Caleffi 3-Way Diverting Motorized Ball Zone Valve, 1" NPT Connections, 4.5 Cv
$302.21
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About Caleffi 644369A 3BY
Caleffi 3-Way Bypass Motorized Ball Zone Valve, 1" Sweat Connections, 12 Cv Ball, 1.5 Cv Bypass
$295.59
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
One of the biggest names in hydronics, Caleffi has all the parts to optimize your boiler's performance. We carry a full line of Caleffi heating products, so start shopping below or call us for expert advice!