II.Product
I.Acceptable boiler manufacturer(s) include(s);
1.
2.Other manufacturer or other
a)Full intent of these specifications, and
b)Provide complete submittal including literature, manuals, wiring diagrams, fuel piping diagrams, and list of similar installations. The alternate must be of similar size and footprint, piping configuration, clearance requirements and heating surface area.
c)Submittal presented to engineer at least seven working days before bid opening for approval. Substitutions are not permitted after contract is awarded.
3.Energy Management Control System(s) must be tested and approved for installation with specified boiler by boiler manufacturer.
J.Boiler Construction
1.Boiler sections
a)Assembled with draw rods.
b)Made with sealing grooves for high temperature cope seal and silicone sealant to assure permanent
c)Provided with sufficient tappings to install required controls.
2.Boiler(s)
a)Provided with
b)Provided with expansion tank tapping to divert separated air to expansion tank.
c)Constructed to provide balanced water flow through entire section assembly using single supply and return connections. No external headers are necessary.
K.Boiler Foundation(s)
1.Installer to construct needed support and level concrete boiler foundation(s) where boiler room floor is uneven or will not support weight of boiler(s).
2.Boiler(s) installed in a residential garage shall be installed so the burners are at least 18” above the floor.
L.Boiler Trim
1.All electrical components to be high quality manufacture and bear UL label.
2.Water boiler(s) controls furnished:
a)High limit temperature control (240º F maximum allowable boiler water temperature.
b)Combination
2
