19 Dec 2016 307.2.3 Auxiliary and secondary drain systems. In addition to the requirements of Section. 307.2.1, where damage to any building components 

figure 307.2.3(1) primary and auxiliary drain pan float switch; figure 307.2.3(2) condensate overflow switch; figure 307.2.3(3) in-line condensate overflow switch; figure 307.2.3.2 appliances, equipment and insulation in pans; section 308 clearance reduction ; figure 308.1(1) clearance to combustibles— examples of how to measure

Committee only found one UL 508 listed high-level condensate switch from one m anufacturer; this device is a mechanical ball-float of much lower quality than the electronic **Section 307.2.3; amend item 2 to read as follows: 2. A separate overflow drain line shall be connected to the drain pan provided with the equipment. Such overflow drain shall discharge to a conspicuous point of disposal to alert occupants in the event of a stoppage of the primary drain. In the 2015 IMC, section 307.2.3 also details specific requirements for cooling coils installed above ceilings, which have a direct impact on the ceiling design aesthetics, maintenance, and occupant impact to the space. IMC 307.2.3 states that all HVAC equipment that produces condensate must have either a secondary drain line or a condensate overflow switch, a secondary drain pan with a secondary drain line or condensate switch or some combination of these installations should be used to prevent overflow if the primary drain line blocks.

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Retain -IMC 307.2.4 Traps. IMC added. Approve 3-11 OR A 307.2.2 Drain pipe materials and sizes. Oregon modified with a deletion. Retain 3-12 IMC 307.2.5 Drain Line Maintenance. IMC added the ability to clean out without cutting pipe. Approve IMC CODE 307.2.3.4– “A water-level detection device conforming to UL 508 shall be provided that will shut off the equipment served in the event that the primary drain is blocked.

ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. 307.2.3 Auxiliary and Secondary Drain Systems In addition to the requirements of Section 307.2.1 , where damage to any building components could occur as a result of overflow from the equipment primary condensate removal system, one of the following auxiliary protection methods shall be provided for each cooling coil or fuel-fired appliance that produces condensate : 306.4 306.4 Appliances under floors 307.2.3 307.2.3 Auxiliary and secondary drain systems Adds a requirement that drain pans are under fuel-fired appliances that produce condensate with an exception for appliances that shut down when a blockage occurs in the condensate drain system (See Figure 307.2.3).

commentary figure 307.2.3(1) primary and auxiliary drain pan float switch; commentary figure 307.2.3(2) condensate overflow switch; commentary figure 307.2.3(3) in-line condensate overflow switch; commentary figure 307.2.3.2 appliances, equipment and insulation in pans; commentary figure 307.2.5 drain line access means

New York State adopted the IMC 307.2.3;. IRC M-1411.3. Minor. F P N/A  The International Mechanical Code® (IMC®) is a model code that regulates the design and installa- 307.2.3 Auxiliary and secondary drain systems.

The requirements in IMC section 307.2.3 are not included as part of this chapter. History: CR 10−103: cr. Register August 2011 No. 668, eff. 9−1−11. SPS 364.0309 Temperature control. These are depart-ment exceptions to the requirements in IMC section 309.1: (1) ALTERNATE MINIMUMS. For those interior spaces intended

307.2.3.1 water- level monitoring devices Adds a requirement for downflow package units and other coils with no secondary drain pan to have a water-level detection device installed in the primary drain pan to shut down the IMC Chapter 3, Insert 3D, Page 1 of 1 Insert between pages 26 and 27 SPS 364.0307 Auxiliary and secondary drain systems. The requirements in IMC section 307.2.3 are not included as part of this chapter. amendment to IMC 307.2.3.) ***Section 314.2.2; change to read as follows: 314.2.2 Drain pipe materials and sizes. Components of the condensate disposal system shall be cast iron, galvanized steel, copper, cross-linked polyethylene, polybutylene, polyethylene, ABS, CPVC, or schedule 80 PVC pipe or tubing when exposed to ultra violet light.

Installation Category Installation Element System Size - Applies to Single- Family, Multifamily or Both Installation Requirement Code/Program Manual (PM) Reference Deficiency Category Rating F P N/A .
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307.2.3 Auxiliary and Secondary Drain Systems In addition to the requirements of Section 307.2.1 , where damage to any building components could occur as a result of overflow from the equipment primary condensate removal system, one of the following auxiliary protection methods shall be provided for each cooling coil or fuel-fired appliance that produces condensate : 306.4 306.4 Appliances under floors 307.2.3 307.2.3 Auxiliary and secondary drain systems Adds a requirement that drain pans are under fuel-fired appliances that produce condensate with an exception for appliances that shut down when a blockage occurs in the condensate drain system (See Figure 307.2.3). 307.2.3 Auxiliary and secondary drain systems.

Committee only found one UL 508 listed high-level condensate switch from one m anufacturer; this device is a mechanical ball-float of much lower quality than the electronic **Section 307.2.3; amend item 2 to read as follows: 2. A separate overflow drain line shall be connected to the drain pan provided with the equipment. Such overflow drain shall discharge to a conspicuous point of disposal to alert occupants in the event of a stoppage of the primary drain. In the 2015 IMC, section 307.2.3 also details specific requirements for cooling coils installed above ceilings, which have a direct impact on the ceiling design aesthetics, maintenance, and occupant impact to the space.
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to IMC 307.2.3.) **Section 401.1; add a sentence to read as follows: The provisions of this Chapter are meant to work in coordination with the provisions of the Building Code. Should any conflicts arise between the two chapters, the Code Official shall determine which provision applies.

amended as follows: Standard type is text from the IMC. Underlined type is text **Section 307.2.3; amend item 2 to read as follows: 2.

IMC 307.2.3; IRC M-1411.3 Minor . F . P N/A : Page . 6. of . 7. Installation Category Installation Element System Size - Applies to Single- Family, Multifamily or Both

Consistent with regional amendment to IFGC and IMC 306.3.) through type is deleted text from the IMC. **Section 307.2.3; amend item 2 to read as follows:. Consistent with regional amendment to IFGC and IMC 306.3.) through type is deleted text from the IMC. **Section 307.2.3; amend item 2 to read as follows:. “International Plumbing Code”.

PART I – IMC Revise as follows: 307.2.3 Auxiliary and secondary drain systems. to IMC 307.2.3.) **Section 401.1; add a sentence to read as follows: The provisions of this Chapter are meant to work in coordination with the provisions of the Building Code. Should any conflicts arise between the two chapters, the Code Official shall determine which provision applies. Section 307.2.3 of the 2009 IMC has changed as shown. Resolve potential conflicts. IMC. 307.2.3 Auxiliary and secondary drain systems.