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H-51403 Webstone 3/4 in. Sweat ISOLATOR Rotating Pump Flange $ 46.25 46.25 USD	H-51404 Webstone 1 in. Sweat ISOLATOR Rotating Pump Flange $ 55.50 55.5 USD	H-51405 Webstone 1 1/4 in. Sweat ISOLATOR Rotating Pump Flange $ 69.38 69.38 USD	H-51406 Webstone 1 1/2 in. Sweat ISOLATOR Rotating Pump Flange $ 86.70 86.7 USD
H-51703W Webstone 3/4 in. CxC Lead Free Full Port Brass Ball Valve $ 17.66 17.66 USD	H-51704SSL Webstone 1 in. CxC Full Port Brass Ball Valve W/SS Lever $ 24.87 24.87 USD	H-51704T Webstone 1 in. CxC Full Port Brass Ball Valve w/T-Handle $ 20.56 20.56 USD	H-51704WT Webstone 1 in. CxC Lead Free Full Port Brass Ball Valve w/T-Handle $ 27.42 27.42 USD
H-51705 Webstone 1 1/4 in. CxC Full Port Brass Ball Valve $ 32.56 32.56 USD	H-51705SSL Webstone 1 1/4 in. CxC Full Port Brass Ball Valve W/SS Lever $ 35.94 35.94 USD	H-54444WPR3 Webstone 1 in. SWT Lead Free ISO EXP E2 W/30 PSI PRV $ 257.14 257.14 USD	H-58354-0 Webstone 1-1/4 in. Sweat x 1 in. Hydro-Core Double Union Manifold w/Ball Valves & Drains $ 299.85 299.85 USD
H-58613 Webstone 3/4 in. Sweat Purge & Fill $ 73.42 73.42 USD	H-58614 Webstone 1 in. Sweat Purge & Fill $ 91.76 91.76 USD	H-58615 Webstone 1 1/4 in.Sweat Purge & Fill $ 114.66 114.66 USD	H-58643 Webstone 1 in. x 3/4 in. Primary/Secondary Loop Purge Tee $ 116.13 116.13 USD
H-58644 Webstone 1 in. x 1 in. Primary/Secondary Loop Purge Tee $ 129.08 129.08 USD	H-58653 Webstone 1-1/4 in. x 3/4 in. Primary/Secondary Loop Purge Tee $ 211.23 211.23000000000002 USD	H-58654 Webstone 1 1/4 in. x 1 in. Primary/Secondary Loop Purge Tee $ 211.23 211.23000000000002 USD	H-58655 Webstone 1 1/4 in. x 1 1/4 in. Primary/Secondary Loop Purge Tee $ 234.70 234.70000000000002 USD
H-58744-0 Webstone 1 in. Sweat Run x 1 in. Hydro-Core Flange Right Manifold w/Ball Valves & Drains $ 299.85 299.85 USD	H-58754-54 Webstone 1 1/4 in. Sweat Run x 1 in. Hydro-Core Flange Right Manifold w/Ball Valves & Drains $ 299.85 299.85 USD	H-58765-55 Webstone 1 1/2 in. Sweat Run x 1 1/4 in. Hydro-Core Flange Right Manifold w/Ball Valves & Drains $ 350.12 350.12 USD	H-58854-54 Webstone 1 1/4 in. Sweat Run x 1 in. Hydro-Core Flange Left Manifold w/Ball Valves & Drains $ 299.85 299.85 USD
H-58865-0 Webstone 1-1/2 in. Sweat Run x 1-1/4 in. Hydro-Core Left $ 350.12 350.12 USD	H-74273W Webstone 3/4 in. NPT Thermostatic Mixing Valve w/check (104F-176F) $ 145.95 145.95000000000002 USD	H-74274W Webstone 1 in. NPT Thermostatic Mixing Valve w/check (104F-176F) $ 150.50 150.5 USD	H-7-G144W-A Webstone 1 in. Union Elbow $ 16.51 16.51 USD
H-A414005-41 Webstone Replacement EPDM O-ring for HCE4-44 $ 0.48 0.48 USD	HC110/4M ComfortPro Terre-Pex 4 in. NPT 110mm Pex Fitting $ 521.86 521.86 USD	HC40/1.25M ComfortPro Terre-Pex 1 1/4 in. NPT 40mm Pex Fitting $ 104.38 104.38 USD	HCE4-43 Webstone 1 in. Union x 3/4 in. FPT Hydro-Core End $ 20.80 20.8 USD
HCE4-44 Webstone 1 in. Union x 1 in. FPT Hydro-Core End $ 20.80 20.8 USD	HCE4-53 Webstone 1 in. Union x 3/4 in. Sweat Hydro-Core End $ 20.80 20.8 USD	HCE4-54 Webstone 1 in. Union x 1 in. Sweat Hydro-Core End $ 20.80 20.8 USD	HCE4-63 Webstone 1 in. Union x 3/4 in. Female Pipe Hydro-Core End $ 38.64 38.64 USD
HCE4-64 Webstone 1 in. Union x 1 in. Female Pipe Hydro-Core End $ 38.64 38.64 USD	HCE4-73 Webstone 1 in. Union x 3/4 in. Sweat Hydro-Core End $ 38.64 38.64 USD	HCE4-74 Webstone 1 in. Union x 1 in. Sweat Hydro-Core End $ 38.64 38.64 USD	HCE4-94 Webstone 1 in. Hydro-Core Union x 1 in. Sweat Multi Device Port End $ 57.90 57.9 USD
HCE5-44 Webstone 1-1/4 in. Union x 1 in. FPT Hydro-Core End $ 28.14 28.14 USD	HCE5-45 Webstone 1-1/4 in. Union x 1-1/4 in. FPT Hydro-Core End $ 31.95 31.95 USD	HCE5-54 Webstone 1 1/4 in. Union x 1 in. Sweat Hydro-Core End $ 31.95 31.95 USD	HCE5-55 Webstone 1-1/4 in. Union x 1-1/4 in. Sweat Hydro-Core End $ 31.95 31.95 USD
HCE5-64 Webstone 1 1/4 in. Union x 1 in. Female Pipe Hydro-Core End $ 56.48 56.480000000000004 USD	HCE5-65 Webstone 1 1/4 in. Union x 1 1/4 in. Female Pipe Hydro-Core End $ 56.48 56.480000000000004 USD	HCE5-74 Webstone 1 1/4 in. Union x 1 in. Sweat Hydro-Core End $ 56.48 56.480000000000004 USD	HCE5-75 Webstone 1 1/4 in. Union x 1 1/4 in. Sweat Hydro-Core End $ 56.48 56.480000000000004 USD
HD1401 ComfortPro Terre-Pex 28mm DOUBLE Insulated Pex 140mm Outer Jacket $ 19.18 19.18 USD	HD14032 ComfortPro Terre-Pex 32mm DOUBLE Insulated Pex 140mm Outer Jacket $ 19.18 19.18 USD	HD16040 ComfortPro Terre-Pex 1 1/4 in. 40mm DOUBLE Insulated Pex 160mm Outer Jacket $ 28.51 28.51 USD	HFS-4 HPS 4 Zone High Temp Pump Panel $ 3,573.09 3573.09 USD
H-G1404W-KITB Webstone 1 in. Union 3-Way Kit, 2 Isolation Valves, 1 Rotating Pump Flange $ 112.92 112.92 USD	HGT-30 Calefactio 4.8 Gallon Heating System Expansion Tank $ 51.00 51.0 USD	HGTE-12 Calefactio 4.7 Gallon Potable Water System Expansion Tank $ 88.13 88.13 USD	HGTEV-30 Calefactio 14 Gallon Potable Water System Expansion Tank, Floor Standing $ 238.50 238.5 USD
HGTEV-42 Calefactio 20 Gallon Potable Water System Expansion Tank, Floor Standing $ 309.00 309.0 USD	HGTEV-80 Calefactio 44 Gallon Potable Water System Expansion Tank, Floor Standing $ 582.75 582.75 USD	HGTV-150 Calefactio 74 Gallon Heating System Expansion Tank, Floor Standing $ 931.13 931.13 USD	HGTV-40 Calefactio 21 Gallon Heating System Expansion Tank, Floor Standing $ 270.75 270.75 USD
HGTV-90 Calefactio 40 Gallon Heating System Expansion Tank, Floor Standing $ 548.63 548.63 USD	HP-30PRO-P125 Watts 1-1/4 in. Pro Hydronic Package $ 859.87 859.87 USD	HP-BHM-125 Watts 1-1/4 in. Boiler Header Module $ 483.34 483.34000000000003 USD	HP-BHM-75 Watts 3/4 in. Boiler Header Module $ 455.89 455.89 USD
L800-660 Legend 3/4 in. Hose Thread Pressure Test Gauge $ 17.86 17.86 USD	LF703075 Watts Radiant 3/4 in. LF MixTemp-160 3-way Valve (Cv = 3.1) $ 332.53 332.53000000000003 USD	LF704621 Watts Temperature Gauge $ 137.91 137.91 USD	LFMMVM1-UT-3/4 Watts 3/4 in. Thermostatic Mixing Valve, Lead Free* $ 145.43 145.43 USD
LFPC675X-10 Watts PEX Sweat Adapter, 3/4 in. PEX Crimp x 3/4 in. Male Sweat - Lead Free* - Bag of 10 $ 55.26 55.26 USD	LFPCC44X-10 Watts PEX Coupling, 3/4 in. PEX Crimp Fitting x 3/4 in. PEX Crimp Fitting - Lead Free* - Bag of 10 $ 29.67 29.67 USD	LFPCCA3K 1/2 in. Coupling Kit (2 CrimpRing Couplings, 4 CrimpRings) $ 16.61 16.61 USD	LFPCE34-10 Watts PEX Elbow, 1/2 in. PEX Crimp Fitting x 3/4 in. Female Sweat Fitting - Lead Free* - Bag of 10 $ 192.80 192.8 USD
LFPCE44X-10 Watts PEX Elbow, 3/4 in. PEX Crimp Fitting x 3/4 in. PEX Crimp Fitting - Lead Free* - Bag of 10 $ 48.98 48.980000000000004 USD	LFWP12B-1212PB Watts PEX Threaded Adapter, 3/4 in. PEX Crimp x 3/4 in. Male Pipe Thread - Lead Free* - Bag of 10 $ 82.72 82.72 USD	LFWP15B-1212PB Watts PEX Coupling, 3/4 in. PEX Crimp Fitting x 3/4 in. PEX Crimp Fitting - Lead Free* - Bag of 10 $ 29.67 29.67 USD	LFWP24B-06PB Watts PEX Test Plug, 3/8 in. PEX Crimp Fitting - Lead Free* - Bag of 10 $ 34.08 34.08 USD
LIK225/140 ComfortPro Terre-Pex L Series Terre-Pex Insulation Kit Fits 225/200/160/140 Jacket Pipes $ 387.13 387.13 USD	LS-DW240L-464 Laars 40 gallon Double Walled, Glass Lined, Indirect Water Heater $ 1,870.85 1870.8500000000001 USD	LS-DW250L-464 Laars 50 gallon Double Walled, Glass Lined, Indirect Water Heater $ 1,878.16 1878.16 USD	LS-DW280L-464 Laars 80 gallon Double Walled, Glass Lined, Indirect Water Heater $ 2,133.94 2133.94 USD
LS-SS-40-L Laars 40 gallon Stainless Steel, Indirect Water Heater $ 1,748.44 1748.44 USD	LS-SW-2-40R-L Laars 40 gallon Single Walled, Glass Lined, Indirect Water Heater $ 1,696.67 1696.67 USD	M3024 Tekmar Seal Kit 3 in. to 4 in. $ 120.20 120.2 USD	M3056 Tekmar O-Ring Kit for 3/4 in. to 1-1/4 in. Brass Valves $ 36.11 36.11 USD
M3062 Tekmar Belimo Actuator GMB24-3 $ 719.03 719.03 USD	M3069 Tekmar Replacement 40 VA Transformer for 304P 306P 304V 306V $ 77.62 77.62 USD	MFTCW140NA2XN Laars 140,000 BTU/Hr Wall-Mounted Combination Condensing Boiler and Water Heater $ 3,072.34 3072.34 USD	MFTHW140NA2XN Laars 140,000 BTU/Hr Wall-Mounted Condensing Boiler $ 2,802.05 2802.05 USD
NA10262 Caleffi Adapter Kit-3/4 in. Conic to 1/2 in. SWT $ 8.53 8.53 USD	NA10313 Caleffi Adapter Kit-3/4 in. Conic to 1/2 in. NPT $ 9.26 9.26 USD	P100500-10 Railway (3/8 in., 1/2 in., 5/8 in.) 4 ft. Section - 10 pc $ 206.51 206.51 USD	P2134400 Laars FT Combi Boiler Manifold $ 384.64 384.64 USD
P2135900 Laars FT 100-140 Boiler Manifold $ 542.18 542.1800000000001 USD	P700250-20 Watts 4 ft. Extruded Aluminum Plate for 1/2 in. PEX - 20 pc $ 423.51 423.51 USD	P700350-20 Watts 4 ft. Extruded Aluminum Plate for 3/8 in. PEX - 20 pc $ 272.61 272.61 USD	P700524-100 Watts 2 ft. Stamped Aluminum Heat Transfer Plates for 1/2 in. PEX-100 pc $ 633.02 633.02 USD
PB032101-400 Watts Radiant 5/8 in. RadiantPEX+ x 400 ft. Coil $ 630.89 630.89 USD	PB032121-100 3/4 in.-100 ft. Coil Watts Radiant BarrierPEX+ $ 182.51 182.51 USD	PB032121-1000 3/4 in.-1000 ft. Coil Watts Radiant BarrierPEX+ $ 1,820.26 1820.26 USD	PB032121-1200 3/4 in.-1200 ft. Coil Watts Radiant BarrierPEX+ $ 2,182.85 2182.85 USD