Mechanical Packages
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Amtrol - EX-1500-100 - 2 Gallon - In-Line Expansion Tank Combination Kit - With 1" Purger & Vent - 1" NPT Connection - 1 Gallons Max Acceptance
Amtrol - EX-3000-125 - 4.4 Gallon - In-Line Expansion Tank Combination Kit - With 1-1/4" Purger & Vent - 1-1/4" NPT Connection - 2.5 Gallons Max Acceptance
Amtrol - SX-30V - 14 Gallon - Vertical Boiler System Expansion Tank - 1" NPT Connection - 11.3 Gallons Max Acceptance
$278.00
In-Stock
Free Shipping
Caleffi FlowCal Y-Strainer with Integral Ball Valve and PT Test Ports, 1-1/4" NPT Connections
$223.53
Factory-Direct
Free Shipping
Weil-McLain - 3/4" NPT Connection Size - Low Water Cut-Off - Automatic Reset - 24V - Includes Harness and Test Button - For Weil-McLain Ultra and ECO Hot Water Boilers - MPN: 511100005
Caleffi Discal Air Separator with 1/2" FNPT Bottom Thread, 2" NPT Female Connections
$350.70
Factory-Direct
Free Shipping
Caleffi Discal Air Separator with 1/2" FNPT Bottom Thread, 1" Sweat Connections
Weil-McLain - Expansion Tank Package - for CG-6-8 Boilers - 381354521
$290.00
Factory-Direct
Free Shipping
$1,055.83
In-Stock
Free Shipping
2% Check Discount
Caleffi Boiler Trim Kit, 1-1/4" NPT Connections w/BackFlow Preventer & 4.4 gal Expansion Tank
$496.90
Factory-Direct
Free Shipping
Caleffi 1-1/4" & 1-1/2" DirtCal & DirtMag Separators Insulation Shell, labels included
Caleffi 1-1/4" & 1-1/2" Discal Separators Insulation Shell, labels included
Caleffi Boilers Temperature Gauge/Dual Pressure Tridicator, 1/4" NPT Connections
Amtrol - SX-60V - 32 Gallon - Vertical Boiler System Expansion Tank - 1" NPT Connection - 11.3 Gallons Max Acceptance
$426.00
In-Stock
Free Shipping
Amtrol - SX-110V - 62 Gallon - Vertical Boiler System Expansion Tank - 1-1/4" NPT Connection - 34 Gallons Max Acceptance
$908.00
In-Stock
Free Shipping & Lift Gate
Hydrolevel VXT-120 Residential Steam Boiler Water Feeder, 120 VAC
$336.00
In-Stock
Free Shipping
Taco - 329-3 - Fast Fill Reducing Valve - Cast Iron - 1/2" Sweat Union Inlet - 1/2" NPT Outlet
Amtrol - FT-110-100 - 4.4 Gallon - Expansion Tank & Fill Valve Combination Kit - With 1" Purger & Vent - 1/2" NPT Connection - 2.5 Gallons Max Acceptance
For Use With Amtrol 700 Series Automatic Air Vents and Amtrol Extrol
Hydrolevel Safgard 500 Commercial Hot Water Boiler Low Water Cut-Off, 24 VAC, Standard EL1214 3/4" NPT Probe
$243.00
Factory-Direct
Free Shipping
Hydrolevel Safgard 600 Commercial Hot Water Boiler Low Water Cut-Off, 24 VAC, EL1214-SV 3/4" NPT Probe
$233.00
Factory-Direct
Free Shipping
Hydrolevel Safgard 750 Commercial Hot Water Boiler Low Water Cut-Off, 120 VAC, EL1214-SV 3/4" NPT Probe
$233.00
Factory-Direct
Free Shipping
Hydrolevel Safgard 400 Steam Boiler Low Water Cut-Off, 24 VAC, Standard EL1214 3/4" NPT Probe
$239.00
In-Stock
Free Shipping
Displaying Products 25 - 48 (of 324)
Simplify your piping construction with one of our boiler mechanical packages. With mechanical packages and panels matched to a variety of applications, we've got what you need to build the best hydronic system in town.