The EnduroTi COMMERCIAL CONDENSING BOILER Advanced Heating & Hot Water Systems Superior Construction: Stainless Steel Titanium Blend HIGH MASS Stainless Steel AISI 316 Ti Manufactured out of this extremely durable stainless steel and titanium blend Up to 93% Thermal Efficiency Superior Heat Transfer The reverse flame combustion chamber heats large amounts of hot water Cascade up to 8 Boilers (with boiler rotation) Mod/Bus interface for easy BMS system Small Footprint Will fit through a standard door opening (ETI-750 model only) Caster wheels on the bottom of the boiler CSD Compliant 10 : 1 Turndown Ratio Direct Flow or Primary / Secondary Piping O n e o f a K i nd D e sign from t he I nside, O u t!
The EnduroTi SINGLE BOILER UNITS Optional Equipment System Sensor (7250P-324) Indirect Tank Sensor (7250P-325) High and Low Gas Pressure Switch Kit with Manual Reset (6300P-991) 6 Stainless Steel Outside Termination Vent Kit (V3000) Flow Switch Kit (6300P-990) Manual Reset High Temperature Limit (6300P-998) Alarm System (to monitor any failure) (7350P-602) 928 PC Connection Kit with Software (7450P-330) Condensate Neutralizer (7350P-611) Additional Features Superior condensate collection system 10 year limited warranty Vents in PVC - CPVC - stainless steel up to 140 equivalent feet (combined intake and exhaust) Built-in UL-353 Approved Low Water Cut-Off Field wiring connection board / Cascade wiring CAT 3 or 5 Adjustable leveling Dry contact for alarm output Blocked vent pressure switch Pressure and temperature gauge Delta T/0-10V 0-10V Output available for variable speed pumps to maintain consistent cooler boiler return temperatures to maximize efficiency 1,000,000 & 750,000 Btuh Models Up to 93% Thermal Efficiency The Hyper-Jet Combustion System with Modulating Inward Firing Burner Corrugated Horizontal Flue Passages: Special surface increases heat exchange area for higher efficiencies EnduroTi Models Btuh Turndown Ratio Supply & Return Pipe Size Gas Line Connection Thermal Efficiency Vent Diameter Approx. Shipping Weight ETI-750 750,000 10 : 1 2 2 93.2% 6 800 LBS ETI-1000 1,000,000 10 : 1 2.5 2 92.5% 6 950 LBS
The EnduroTi Eliminates the Need for Primary Secondary Piping Condensing & Modulation, Large Water Content Heat Exchanger with Virtually No Pressure drop (Under 2 feet of resistance at a 100 GPM Flow) Cascade up to 8 Boilers Direct Flow Piping Configuration Single Unit 10:1 Turndown Ratio BALL VALVE PRESSURE RELIEF VALVE AIR ELIMINATOR CIRCULATOR COLD INLET BALL VALVE HOT OUTLET MAKE-UP WATER LINE Direct Flow Piping Configuration Multiple Units 20:1 Turndown Ratio STRAINER CHECK VALVE PRESSURE REDUCING VALVE PRESSURE GAUGE EXPANSION TANK BALL VALVE PRESSURE RELIEF VALVE PRESSURE GAUGE AIR ELIMINATOR CIRCULATOR COLD WATER INLET HOT WATER OUTLET STRAINER PRESSURE GAUGE EXPANSION TANK MAKE-UP WATER LINE CHECK VALVE PRESSURE REDUCING VALVE
A Look Inside Model ETI-750 ETI-1000 Gas Connection 2" 2" Max Gas Pressure 10.5" 10.5" Min Gas Pressure 3.5" 3.5" Max Working Pressure 75 psi 75 psi Electrical Requirements 120 VAC/6 Amp Max 120 VAC/6 Amp Max Water Connections 2" Flange 2 1/2" Flange Min. Water Flow (GPM) 7.5 10 Max Water Flow (GPM) 75 100 Water Pressure Drop -Ft of Hd (20 Delta @ Max Fire) 2.85 1.85 Water Volume (Gallons) 38 61 Turndown 10:1 10:1 Air Intake/Exhaust Size 6" 6" Vent Category IV IV Thermal Efficiency 93.2% 92.5% Approx Shipping Weight 800 950 Vent Materials PVC, CPVC, Polypropylene, or AL29-4C
The EnduroTi Vent Configurations - Installation Flexibility Low Cost Install - Easy to fit info Most Spaces Multiple Piping and Venting Options
F G H I Dimensions L M Single Unit Models B C D E F G H I J K L M N O in in in in in in in in in in in in in in A B C D E F G H J K L M 7 3/8 40 9 41 7/8 6 41 52 3/8 70 1/4 21 1/2 44 3/8 33 3/8 35 7/8 2 1/2 7 8.5 32 5/8 8.5 401/2 6 41 51 1/2 70 1/4 22 3/4 43 3/4 30 3/4 30 3/4 2 6 Thermal BTU/hr Input Low Fire Gross Output BTU/hr Efficiency Supply/Return Boiler Water Conn. Connection Gas Diameter Vent Shipping ETI-750 8.5 16.5 30.75 32.75 8.5 49 83 8.25 25 43 6.25 13.75 Weight 100,000-1,000,000 920,000 92% 61 Gal 2-1/2" 2 in 6 in 1000 lbs ETI-1000 9.25 19.75 36.25 39.5 7.25 53 85 10.75 25.75 46.25 6.25 13.75 100,000-900,000 828,000 92% 61 Gal 2-1/2" 2 in 6 in 1000 lbs 100,000-800,000 736,000 92% 38 Gal 2" 2 in 6 in 850 lbs PLEASE NOTE: ALL DIMENSIONS ARE PRELIMINARY AND APPROXIMATE A A F FF K KK J JJ H HH E EE B C C D D REAR REAR VIEW VIEW REAR REARVIEW BB G G SIDE SIDE VIEW VIEW SIDE SIDEVIEW L LL M M FRONT FRONT VIEW VIEW FRONT VIEW VIEW TOP TOP VIEW VIEW TOP TOP VIEW VIEW www.htproducts.com 272 Duchaine Blvd, New Bedford, MA MKTLIT-69 HTP 01/2018 In accordance with our company policy of ongoing product improvement, HTP Inc. reserves the right to make changes without prior notice. Preliminary product specifications