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Common Questions Is the DMPR-RS311 compatible with my older fire damper
This aftermarket coffee part is designed specifically for basins requiring the 5-hole pattern
Precision thermal sensing at 300°F prevents hazardous conditions resulting from flame rollout
replacing older or failing 1-pole units
corrosive atmosphere found in sump basins and residential pits
McDonnell & Miller 302500 Gasket Common Questions Is the DMPR-RS311The McDonnell & Miller 302500, also identified by model number CO 11, is a high performance Sylphon base gasket engineered for a precise seal in steam and hydronic applications. Designed specifically for compatibility with Series 63 and E 28 low water cut offs, this six hole replacement component facilitates a leak proof interface between the bellows assembly and the float head chamber. In the field, maintaining the integrity of the LWCO replacement
