Weil-McLain ECO 70 Manual Addendum
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Weil-McLain ECO 70 Manual Addendum

Weil-McLain ECO 70 Manual Addendum

Eco series 2, wall mount gas-fired water boilers
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Manual Addendum
This Addendum needs to be used in conjunction with the
Boiler Manual P/N 550-142-190_1018
ATTENTION to installers and homeowners of ECO boilers.
KEEP THIS ADDENDUM WITH BOILER MANUAL
Direct Exhaust Vent Systems Kit
Direct Exhaust Kit 383-500-778, See page 2, for changes to Page 113 of Boiler Manual
The ECO boiler has been designed and tested to work as a direct exhaust unit. Inlet air comes from
the room and is exhausted either vertically or horizontally. The following pages describe the methods
and materials for operating the boiler in the direct exhaust mode.
See page 3, for changes to Note 4, on Page 125 of Boiler Manual
See page 4, for changes to allow ABS piping (Intake Air only), on page 24 of boiler
manual
Additional Direct Vent Termination
The ECO boiler has been designed and tested for Direct Vent Vertical exhaust sidewall
air termination. The following pages describe the methods and materials for operating
the boiler in this mode.
This addendum must only be used by a qualified heating installer/service technician. Read all instructions, including
the Evergreen boiler manual and all other information shipped with the boiler, before installing. Perform steps in the
order given. Failure to comply could result in severe personal injury, death or substantial property damage.
Rating Note Change
Vent Material Change
Series 2
Wall Mount
Gas-Fired Water Boilers
70/110/155
ECO
Part number 550-100-436_1118
®

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Summary of Contents for Weil-McLain ECO 70

  • Page 1 ® Series 2 Wall Mount Gas-Fired Water Boilers 70/110/155 Manual Addendum This Addendum needs to be used in conjunction with the Boiler Manual P/N 550-142-190_1018 ATTENTION to installers and homeowners of ECO boilers. KEEP THIS ADDENDUM WITH BOILER MANUAL Direct Exhaust Vent Systems Kit Direct Exhaust Kit 383-500-778, See page 2, for changes to Page 113 of Boiler Manual The ECO boiler has been designed and tested to work as a direct exhaust unit.

  • Page 2: Replacement Parts

    Kit for 2" PVC vent and air pipes BOILER ACCESSORIES 383-500-350 Kit for 3" PVC vent and air pipes ECO 70 maintenance kit — igniter, igniter gasket, 383-700-165 Bird screens (1 screen each) venturi gasket, cover plate gasket, venturi-gas valve For 2"...

  • Page 3: Ratings - Eco Series 2 Boilers

    — Manual Addendum erieS fired water boiler Ratings — ECO Series 2 boilers Figure 129 Ratings and engineering data — ECO 70/110/155 Series 2 boilers AHRI Certified Ratings % Input derate vs vent length Vent/ (Values shown are at MAX vent/air pipe Boiler Comb.

  • Page 4: Venting & Air - General

    Centrotherm Eco Systems — InnoFlue ® Weil-McLain stainless steel bird screens, 2" or 3" (purchase separately) — see Figure 116, page 113 for part numbers Note 1: Weil-McLain concentric vent kits are made from PVC ADAPTERS — AL29-4C piping — Install a PVC-to- pipe and fittings.
  • Page 5 Maximum vent lengths apply for either 2" or 3" vent and air pipe. If using 2" pipe, provide 3"x 2" tapered reducers at boiler connections and at Weil-McLain vent/air cap or at concentric terminations. Boilers will derate as vent/air pipe length increases — see rating data on Figure 129, page 125 for derate amounts.

  • Page 6: Direct Vent - Vertical Vent / Sidewall Air

    ® — Manual Addendum erieS fired water boiler DIRECT VENT — Vertical vent / sidewall air Allowable vent/air pipe materials & Figure 5 INSTALLATION SEQUENCE — Vertical vent/sidewall lengths Use only the vent materials and kits listed in Figure 23, page 24. Provide pipe adapters if specified.

  • Page 7: Prepare Wall Penetrations

    ® — Manual Addendum erieS fired water boiler DIRECT VENT — Vertical vent / sidewall air (continued) Determine location for air inlet elbow Figure 6 Vent termination (through the roof) for direct vent: vertical vent / sidewall air 1. The air inlet of an ECO boiler is part of a direct vent connection. It is not classified as a forced air intake with regard to spacing from adjacent appliance terminations.
  • Page 8 ® — Manual Addendum erieS fired water boiler Part number 550-100-436_1118...

This manual is also suitable for:

Eco 110Eco 155

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