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Construction Specialties Heating Maintained by: Member id conspec ( Feedback Score Of 2046) I sell plumbing and Heating supplies, mostly specialty items related to hydronic heating appliactions. Hot water and radiant hot water heating systems, also solar heating items. This includes heat exchangers, circulaltor pumps, pump flanges and flange sets. Plus things my neighbors want to sell. Store search Enter your search keyword in titles & description Store categories Store home Heating, accessories (23) Grundfos pumps (2) PEX copper fittings (3) Circulator pump Flanges (14) Copper pipe fittings (2) Heating / Boiler Controls (1) Other (1) Display Gallery view View time left View: All Items | Buy It Now 42 results found in all categories View as:List Sort by:Best Match Picture [hide] Item title Price Time Left Hydronic Thermometer 32 -248 deg. for hot water boilers   $28.95 Free shipping Time left:18d 2h 21m Boiler sight gauge glass 36" X 5/8" diameter   $26.99 Free shipping Time left:14d 19h 41m BOILER TREATMENT prevent rust-corrosion.​..1 Qt   $34.95 Free shipping Time left:29d 11h 16m Flange GASKETS, full face for small pumps, Taco, Grundf...   $7.40 Time left:8d 15h 30m 2 flange X 1 1/4 in Iso Valves - Taco, B&G, Grundfos   $52.95 Time left:2h 7m BOILER TREATMENT clean and prep NEW& OLD Boilers...1 Qt   $39.85 Free shipping Time left:25d 22h 41m Test kit for BOILERS ! Anti-Rust / Corrosion protection   $19.95 Time left:19d 1h 47m 2 iso flange 3/4" swt+1purge for Taco, Grundfos. B&G   $47.95 Time left:18d 22h 7m 3/4 inch CI pump flange Taco, B&G, Grundfos FREE S&H   $19.99 Free shipping Time left:24d 3h 17m Boiler sight gauge Heavy Pattern valves with glass 12" ...   $137.99 Free shipping Time left:29d 1h 15m TACO HY-Vent 1/8" M npt Like Watts & Amtrol.   $16.99 Free shipping Time left:2h 8m Boiler sight gauge glass 16" X 5/8" diameter   $21.40 Free shipping Time left:16d 17h 19m Boiler treatment 101 TEST KIT / Corrosion protection   $18.95 Time left:15d 11h 23m Goulds V60-MP water expansion tank 19.9 Gal Volume   $309.00 Time left:19d 16h 49m 1 1/2" CI flange Taco, B&G, Grundfos +GASKETS FREE S&H   $19.99 Free shipping Time left:18d 12h 8m Hydronic Thermometer 32 -248 deg. for hot water boilers   $29.95 Free shipping Time left:15d 2h 56m Boiler water sight gauge 12" glass CONBRACO 1/2" valve   $87.95 Free shipping Time left:4d 0h 7m 2 pump flange X 3/4 iso valves for Taco-B&G-Grundf​os   $47.45 Time left:14d 3h 14m Flange GASKETS, full face for small pumps, Taco, Grundf...   $7.40 Time left:16d 0h 6m Grundfos UPS15-58FC 3 sp SPR BRUTE 11/4 in ISO & Purge   $172.55 Free shipping Time left:22d 2h 33m Boiler sight gauge glass 12" X 5/8" diameter   $19.40 Free shipping Time left:8d 0h 52m Boiler sight gauge glass 24" X 5/8" diameter   $23.99 Free shipping Time left:12d 16h 33m Extrol 110 + 11/4" air scoop, float vent 1PACKAGE   $169.95 Free shipping Time left:18d 12h 12m 2 pump flange X 3/4 iso valves for Taco-B&G-Grundf​os   $55.45 Free shipping Time left:22d 2h 27m Grundfos UPS15-58FC 3 spd circulator pump SHIPS FREE !!   $109.99 Free shipping Time left:22d 2h 32m 1 flange X 3/4 isolation valve for Taco-B&G-Grundf​os   $22.95 Time left:13d 22h 16m Boiler water sight gauge 12" glass CONBRACO 1/2" valve   $86.00 Free shipping Time left:12d 23h 18m 2 3/4" COPPER F swt to 3/4" SDR 9 PEX adapter   $5.99 Free shipping Time left:1h 59m 1 1/2 inch CI pump flange Taco, B&G, Grundfos FREE S&H   $9.99 Time left:18d 12h 19m Boiler water sight gauge 24" glass CONBRACO 1/2" valve   $97.00 Free shipping Time left:18d 4h 23m 2 iso flange 1in swt+1purge for Taco, Grundfos. B&G   $55.95 Time left:15d 2h 33m 2 flange X 1 in isolation valves for Taco-B&G-Grundf​os   $52.45 Time left:27d 19h 21m 2 1/2" COPPER F swt to 1/2" SDR 9 PEX adapter   $4.29 Free shipping Time left:11d 22h 57m 1 1/4 inch Ball and Purge valve with hose bib & cap.   $33.75 Time left:14d 15h 53m 1 1/4" CI flange Taco, B&G, Grundfos +GASKETS FREE S&H   $19.99 Free shipping Time left:13d 3h 29m 2 flange X 1 1/2 in Iso Valves - Taco, B&G, Grundfos   $79.95 Time left:16d 2h 47m 25 3/4" COPPER F swt to 3/4" SDR 9 PEX adapter 1 BAG   $49.90 Free shipping Time left:2h Extrol 110 + 1" air scoop, float vent 1PACKAGE   $162.75 Free shipping Time left:18d 12h 10m 1" copper sweat 45 degree ELL, plumbing or heating pro...   $2.65 Free shipping Time left:13d 3h 38m Boiler water sight gauge 36" glass CONBRACO 1/2" valve   $127.00 Free shipping Time left:17d 2h 52m Boiler sight gauge Red Line HPglass 12" X 5/8" diameter   $29.55 Free shipping Time left:7d 11h 46m Hydrostat Temp Limit and LWCO 120VAC   $153.50 Free shipping Time left:8d 2h 32m Why don't we show the price? Sellers have the right to set their own prices independently, but some manufacturers place restrictions on how these prices will be displayed or communicated to others. Start of LayerEnd of Layer Page 1 of 1 Previous 1|2|3|4|5|6|7 Next Go to page