Slant/Fin Sentinel SE-210 - 150,000 BTU Output Cast Iron Boiler, Intermittent Pilot Ignition (Nat Gas)

Reliable natural draft design When the Sentinel boiler is operating, combustion air enters the boiler and exhaust is expelled up the chimney by natural draft. No mechanical combustion aids are required for the boiler to attain its high efficiency. With fewer components, there's less chance of losing your heat because of part failure. High performance cast-iron heat exchanger The Sentinel boiler's S-Series heat exchanger has for years been a "workhorse" of the heating industry, in boilers chosen by heating contractors for performance and reliability. It's made of quality cast-iron and assembled with durable metal push nipples. Specially shaped thermal pins promote efficient heat transfer. The boiler heats quickly, sending warmth to radiators throughout your home within moments of your thermostat's call for heat. The Sentinel boiler is so reliable it comes with a lifetime limited warranty Intermittent ignition or standing pilot models Enjoy the easy installation and reliable operation that natural draft desi...