PACKAGED GAS BOILERS -- WATER ONLY
The ES2 is a high performance, compact, gas fired boiler for conventional chimney venting, capable of operating at 85% AFUE. A modern design com- bined with the unique IQ electronic modular plug-and-play control system which allows optional plug-in modules for outdoor reset, auxiliary high limit, low water cutoff and LCD touch screen display. IQ controls feature self- diagnostics with easy to read LCD display. ES2 cast iron series is an ideal, high efficiency replacement boiler up-grade for conventional chimney vented boilers. Facing boiler, all piping connections on left side, rear vertical flue.
Standard equipment: Assembled ES2 packaged boiler, insulated jacket, IQ con- trol with display, built in draft diverter, vent damper, Taco circulator package, T&P gauge, relief valve and drain valve. “0” clearance to floor.
CAT. NO. MFG. NO. GAS
3W723 ES2-3NI-T Natural 70 3W724 ES2-4NI-T Natural 105 3W725 ES2-5NI-T Natural 140 3W726 ES2-6NI-T Natural 175 3W727 ES2-7NI-T Natural 210 3W728 ES2-8NI-T Natural 245 3W729 ES2-9NI-T Natural 280
INPUT MBH DOE MBH IBR NET MBH AFUE % WEIGHT EACH 59 88
51 77
118 147 176 206 235
1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4”
102 128 159 179 205
1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/4”
85 85 85 85 85 85 85
254 lbs $3,587.32 301 lbs $3,839.63 353 lbs $4,057.38 405 lbs $4,916.65 464 lbs $5,500.51 514 lbs $6,008.51 564 lbs $6,697.94
MFG. NO. VENT CONNECTION SUPPLY CONNECTION RETURN CONNECTION GAS CONNECTION DIMENSIONS H x W x D* ES2-3NI-T 4” ES2-4NI-T 5” ES2-5NI-T 6” ES2-6NI-T 6” ES2-7NI-T 7” ES2-8NI-T 7” ES2-9NI-T 9”
1/2” 1/2” 1/2” 1/2” 3/4” 3/4” 3/4”
CAT. NO. MFG. NO. DESCRIPTION EACH 3W730 102773-01 Natural to LP Gas Conversion Kit for ALL Models $104.86
41 x 14 x 33” 41 x 16 x 33” 41 x 19 x 33” 41 x 22 x 33” 41 x 25 x 33” 41 x 28 x 33” 41 x 31 x 33”
* H - indicates dimension to top of boiler + height of damper for vent height. W - indicates casing width + 4” for piping connection. D - indicates depth of casing + extension depth of diverter.
ES2 Series
ON HEAT EXCHANGER
ON PARTS
Note: Boilers are convertible to LP gas with optional conversion kit.
OPTIONAL ACCESSORIES FOR IQ CONTROL
The ES2 boiler uses the IQ control system. This is a microprocessor control consisting of an IQ boiler control with an IQ option panel (supplied with boiler). Optional IQ plug- in modules for aux high limit, low water cutoff and/or outdoor reset. The manual reset LWCO and high limit option cards are CSD-1 compliant. The only wiring for use of the optional modules is to the field installed sensors.
CAT. NO. MFG. NO. DESCRIPTION
3W730A 102723-01 IQ Outdoor Reset Option Card - Used to regulate the boiler temperature based on outdoor temperature and/or domestic hot water demand. EnviraCOM thermostat compatible. Includes outdoor reset card and outdoor temperature sensor with bracket.
3W730C 102711-01 IQ Low Water Cutoff Option Card (Auto Reset) - Used to add LWCO to boiler without piping. Features built in diagnostics, test & reset feature. Includes LWCO card and 3/4” NPT level sensor.
3W730E 102714-01 IQ Low Water Cutoff Option Card (Manual Reset) - Used to add LWCO to boiler without piping. Compliant with UL353 and CSA22.2 for CSD-1 compliance. Includes LWCO card and 3/4” NPT level sensor.
3W730G 102717-01 IQ High Limit Option Card (Auto Reset) - Used to add auxiliary high limit function. Adjustable set point and differential with diagnostics. Includes high limit card, probe with 36” leads adn 3/4” well.
3W730J 102720-01 IQ High Limit Option Card (Manual Reset) - Used to add auxiliary high limit function. Adjustable set point and differential with diagnostics. UL 353 listed for CSD-1 compliance. Includes high limit card, probe with 36” leads and 3/4” well.
3W730M 102728-01 IQ 3-1/2” Multi-color Touch Screen Display - For mounting in the plastic hood above the front door of the boiler. Display communicates with all installed IQ controls. Boiler settings, status and errors are displayed. Full text explanations of all features and settings, with diagnostics and trouble shooting info. Includes display, software, EnviraCOM gateway, wiring harness and mounting bracket.
EACH $646.16 $259.27 $259.30 $259.30 $259.30 $571.70
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BOILERS