Lochinvar Armor AWH0500NPM Lochinvar Armor AWH0500NPM natural gas condensing water heater with 500,000 Btu/HR input with 5:1 turndown firing, recovery of 564 GPH at 100 degree F rise. 316L Stainless Steel ASME Heat Exchanger rater for 160 PSI Working pressure. Up to 98% thermal efficiency. Fan assisted combustion, Low Nox Operation, automatic reset high limit, inlet/outlet temperature sensors, flow switch, Smart System Control. With SS/bronze circulating pump. Start-up to be included by Lochinvar certified rep after installation. Price should include: QTY 2 - Part #100289340 Lochinvar Condensate Neutralization Kit 2 each; Lochinvar Knight KBX1000N-M13 Lochinvar Knight KBX1000N-M13 heating boiler; natural gas fired with 999,000 BTU/hr input, 969,000 BTU/Hr output. Condensing design with up to 96% thermal efficiency, 5:1 Turndown, ASME Stainless Steel Heat Exchanger, Direct Spark Ignition, 75 PSI ASME pressure relief valve, PVC venting, Smart System Control Password Security, Natural/LP gas Conversion Kit, Outdoor Reset, Sidewall Vent terminals, 0-10 Vdc input, Contacts on any Failure, 3 pump control, pump relay w/Freeze Protection, Low Nox operation. Startup to be included by Lochinvar certified rep after installation. Price should include: QTY 2 - Part #100289340 Lochinvar Condensate Neutralization Kit . QTY 2 - Part #100166406 Lochinvar Boiler Pump Ѕ HP 115v QTY 2 - 2.5" check valve-TDV QTY 2 - 2.5" Keckley Y Strainer 2 each