{"v":"2.0","page_type":"product","title":"BackStop H15 1/2\" MNPT Cold Rolled Steel Pre-Pressurized Hydronic Heating Expansion Tank 2.1 gal","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"BackStop","href":"/python/html6/menu_brand_products/1000/14000/menu_brand_products_Backstop_1_06a0c6b51d.html"},{"label":"H15","href":null}],"content":{"product":{"mpn":"H15","manufacturer":"BackStop","brand":"BackStop","brand_url":"/python/html6/menu_brand_products/1000/14000/menu_brand_products_Backstop_1_06a0c6b51d.html","title":"BackStop H15 1/2\" MNPT Cold Rolled Steel Pre-Pressurized Hydronic Heating Expansion Tank 2.1 gal","description":"","attributes":[{"name":"Brand name","values":[{"value":"BackStop","url":"/python/html6/menu_attr_pair/1000/87000000/87057000/menu_attr_pair_Brandname_BackStop_1_495b6ed025.html"}],"name_url":"/python/html6/menu_attr_pair/1000/87000000/87057000/menu_attr_pair_Brandname_BackStop_1_495b6ed025.html"},{"name":"Manufacturer name","values":[{"value":"BackStop","url":"/python/html6/menu_attr_pair/1000/190000000/190592000/menu_attr_pair_Manufacturername_BackStop_1_d0dbc1b1b8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/190000000/190592000/menu_attr_pair_Manufacturername_BackStop_1_d0dbc1b1b8.html"},{"name":"Manufacturer","values":[{"value":"BackStop","url":"/python/html6/menu_attr_pair/1000/74000000/74929000/menu_attr_pair_Manufacturer_BackStop_1_3826612022.html"}],"name_url":"/python/html6/menu_attr_pair/1000/74000000/74929000/menu_attr_pair_Manufacturer_BackStop_1_3826612022.html"},{"name":"DimensionUnit","values":[{"value":"inch","url":"/python/html6/menu_attr_pair/1000/10000000/10300000/menu_attr_pair_DimensionUnit_inch_1_f16129611b.html"}],"name_url":"/python/html6/menu_attr_pair/1000/10000000/10300000/menu_attr_pair_DimensionUnit_inch_1_f16129611b.html"},{"name":"Extra Product Name","values":[{"value":"BackStop H15 1/2\" MNPT Cold Rolled Steel Pre-Pressurized Hydronic Heating Expansion Tank 2.1 gal","url":"/python/html6/menu_attr_pair/1000/175000000/175255000/menu_attr_pair_ExtraProductName_BackStopH1512MNPTColdRolledSteelPrePressur_1_b6ac31c492.html"}],"name_url":"/python/html6/menu_attr_pair/1000/175000000/175255000/menu_attr_pair_ExtraProductName_BackStopH1512MNPTColdRolledSteelPrePressur_1_b6ac31c492.html"},{"name":"countryOfOrigin","values":[{"value":"CN","url":"/python/html6/menu_attr_pair/1000/202000000/202417000/menu_attr_pair_countryOfOrigin_CN_1_11b2c5d9fc.html"}],"name_url":"/python/html6/menu_attr_pair/1000/202000000/202417000/menu_attr_pair_countryOfOrigin_CN_1_11b2c5d9fc.html"},{"name":"diameter","values":[{"value":"8.0","url":"/python/html6/menu_attr_pair/1000/219000000/219275000/menu_attr_pair_diameter_80_1_0d11dfcbff.html"}],"name_url":"/python/html6/menu_attr_pair/1000/219000000/219275000/menu_attr_pair_diameter_80_1_0d11dfcbff.html"},{"name":"height","values":[{"value":"12.5","url":"/python/html6/menu_attr_pair/1000/82000000/82856000/menu_attr_pair_height_125_1_64f0499a00.html"}],"name_url":"/python/html6/menu_attr_pair/1000/82000000/82856000/menu_attr_pair_height_125_1_64f0499a00.html"},{"name":"height_Attrib","values":[{"value":"height","url":"/python/html6/menu_attr_pair/1000/234000000/234492000/menu_attr_pair_heightAttrib_height_1_3afed57cba.html"}],"name_url":"/python/html6/menu_attr_pair/1000/234000000/234492000/menu_attr_pair_heightAttrib_height_1_3afed57cba.html"},{"name":"keywords","values":[{"value":"Expansion Tanks,BackStop","url":"/python/html6/menu_attr_pair/1000/211000000/211530000/menu_attr_pair_keywords_ExpansionTanksBackStop_1_5087b78b13.html"}],"name_url":"/python/html6/menu_attr_pair/1000/211000000/211530000/menu_attr_pair_keywords_ExpansionTanksBackStop_1_5087b78b13.html"},{"name":"length","values":[{"value":"8.0","url":"/python/html6/menu_attr_pair/1000/25000000/25304000/menu_attr_pair_length_80_1_01821e5e43.html"}],"name_url":"/python/html6/menu_attr_pair/1000/25000000/25304000/menu_attr_pair_length_80_1_01821e5e43.html"},{"name":"length_Attrib","values":[{"value":"diameter","url":"/python/html6/menu_attr_pair/1000/104000000/104505000/menu_attr_pair_lengthAttrib_diameter_1_4bf87d3394.html"}],"name_url":"/python/html6/menu_attr_pair/1000/104000000/104505000/menu_attr_pair_lengthAttrib_diameter_1_4bf87d3394.html"},{"name":"moq","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"}],"name_url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"},{"name":"MPN","values":[{"value":"H15","url":"/python/html6/menu_attr_pair/1000/133000000/133059000/menu_attr_pair_MPN_H15_1_5d3f5940a2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/133000000/133059000/menu_attr_pair_MPN_H15_1_5d3f5940a2.html"},{"name":"multiple","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"},{"name":"qtyInStock","values":[{"value":"0","url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"}],"name_url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"},{"name":"SKU","values":[{"value":"80731","url":"/python/html6/menu_attr_pair/1000/103000000/103541000/menu_attr_pair_SKU_80731_1_15835fec72.html"}],"name_url":"/python/html6/menu_attr_pair/1000/103000000/103541000/menu_attr_pair_SKU_80731_1_15835fec72.html"},{"name":"snippet","values":[{"value":"Shop plumbing supplies online including the 1/2 MNPT Cold Rolled Steel Pre-Pressurized Hydronic Heating Expansion Tank 2.1 gal. Free shipping over $99. Same day shipping before 5pm EST.","url":"/python/html6/menu_attr_pair/1000/257000000/257595000/menu_attr_pair_snippet_Shopplumbingsuppliesonlineincludingthe12MN_1_1b3997f284.html"}],"name_url":"/python/html6/menu_attr_pair/1000/257000000/257595000/menu_attr_pair_snippet_Shopplumbingsuppliesonlineincludingthe12MN_1_1b3997f284.html"},{"name":"tierMinQty1","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/226000000/226987000/menu_attr_pair_tierMinQty1_1_1_974840705d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/226000000/226987000/menu_attr_pair_tierMinQty1_1_1_974840705d.html"},{"name":"width","values":[{"value":"8.0","url":"/python/html6/menu_attr_pair/1000/22000000/22376000/menu_attr_pair_width_80_1_f15570070e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/22000000/22376000/menu_attr_pair_width_80_1_f15570070e.html"},{"name":"width_Attrib","values":[{"value":"diameter","url":"/python/html6/menu_attr_pair/1000/7000000/7372000/menu_attr_pair_widthAttrib_diameter_1_c055dcde6a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/7000000/7372000/menu_attr_pair_widthAttrib_diameter_1_c055dcde6a.html"},{"name":"pressure rating","values":[{"value":"150 psi","url":"/python/html6/menu_attr_pair/1000/251000000/251538000/menu_attr_pair_pressurerating_150psi_1_aefe2abd75.html"}],"name_url":"/python/html6/menu_attr_pair/1000/251000000/251538000/menu_attr_pair_pressurerating_150psi_1_aefe2abd75.html"},{"name":"connection size","values":[{"value":"1/2\"","url":"/python/html6/menu_attr_pair/1000/207000000/207146000/menu_attr_pair_connectionsize_12_1_6c58ceb450.html"}],"name_url":"/python/html6/menu_attr_pair/1000/207000000/207146000/menu_attr_pair_connectionsize_12_1_6c58ceb450.html"},{"name":"temperature rating","values":[{"value":"210 deg F","url":"/python/html6/menu_attr_pair/1000/93000000/93977000/menu_attr_pair_temperaturerating_210degF_1_076be73ece.html"}],"name_url":"/python/html6/menu_attr_pair/1000/93000000/93977000/menu_attr_pair_temperaturerating_210degF_1_076be73ece.html"},{"name":"product type","values":[{"value":"Expansion Tanks","url":"/python/html6/menu_attr_pair/1000/232000000/232547000/menu_attr_pair_producttype_ExpansionTanks_1_0f0a3542da.html"}],"name_url":"/python/html6/menu_attr_pair/1000/232000000/232547000/menu_attr_pair_producttype_ExpansionTanks_1_0f0a3542da.html"},{"name":"type","values":[{"value":"Pre-Pressurized","url":"/python/html6/menu_attr_pair/1000/127000000/127574000/menu_attr_pair_type_PrePressurized_1_2e38401ea8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/127000000/127574000/menu_attr_pair_type_PrePressurized_1_2e38401ea8.html"},{"name":"material","values":[{"value":"Cold Rolled Steel","url":"/python/html6/menu_attr_pair/1000/29000000/29776000/menu_attr_pair_material_ColdRolledSteel_1_b4d3a6e91f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/29000000/29776000/menu_attr_pair_material_ColdRolledSteel_1_b4d3a6e91f.html"},{"name":"series","values":[{"value":"H Series","url":"/python/html6/menu_attr_pair/1000/193000000/193209000/menu_attr_pair_series_HSeries_1_bfab8efbc3.html"}],"name_url":"/python/html6/menu_attr_pair/1000/193000000/193209000/menu_attr_pair_series_HSeries_1_bfab8efbc3.html"},{"name":"country of origin","values":[{"value":"CN","url":"/python/html6/menu_attr_pair/1000/213000000/213426000/menu_attr_pair_countryoforigin_CN_1_02490e71e4.html"}],"name_url":"/python/html6/menu_attr_pair/1000/213000000/213426000/menu_attr_pair_countryoforigin_CN_1_02490e71e4.html"},{"name":"tank capacity","values":[{"value":"2.1 gal","url":"/python/html6/menu_attr_pair/1000/136000000/136774000/menu_attr_pair_tankcapacity_21gal_1_c8270488de.html"}],"name_url":"/python/html6/menu_attr_pair/1000/136000000/136774000/menu_attr_pair_tankcapacity_21gal_1_c8270488de.html"},{"name":"finish","values":[{"value":"Metallic Silver Epoxy Coating","url":"/python/html6/menu_attr_pair/1000/124000000/124212000/menu_attr_pair_finish_MetallicSilverEpoxyCoating_1_1fd39e7b64.html"}],"name_url":"/python/html6/menu_attr_pair/1000/124000000/124212000/menu_attr_pair_finish_MetallicSilverEpoxyCoating_1_1fd39e7b64.html"},{"name":"connection type","values":[{"value":"MNPT","url":"/python/html6/menu_attr_pair/1000/178000000/178214000/menu_attr_pair_connectiontype_MNPT_1_83d7278089.html"}],"name_url":"/python/html6/menu_attr_pair/1000/178000000/178214000/menu_attr_pair_connectiontype_MNPT_1_83d7278089.html"}],"images":[],"distributors":[{"name":"plumbmaster.com","sku":"80731","url":"https://www.plumbmaster.com/backstop-h15-1-2-mnpt-cold-rolled-steel-pre-pressurized-hydronic-heating-expansion-tank-2-1-gal/p/80731","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://www.plumbmaster.com/images/logo-plumbmaster.png"}],"amazon":{"available":false,"products":[]},"metadata":{"generated_date":"2026-09-16","last_updated":"2026-09-16","data_sources":["plumbmaster.com"],"completeness":0.75,"version":"1.2"}}},"pagination":null,"nav":{"home":"/python/html6/index.html","brands":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html","parts":"/python/html6/menu_part_index/menu_part_index_parts_909e6bf0ca.html","attributes":"/python/html6/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"}}