417-3 | Coin Vent | Taco Thread Size_4-8 x 3-8 Recommend use as Type 3R

Recommend use as Type 3R rating in full outdoor exposure and extreme weather environments - the addition of ventilation is necessary to handle the large negative pressure differential caused in a tightly sealed enclosure in extreme weather conditions

2 PP 90 ELBOW W/SS RING SRFPTXSRFPT

3 PVC GLOBE VALVE FKM FLANGED

M9203-115 UNIVERSAL MOUNT

MS8104 and MS8109 Fast-Acting

417-3 | Coin Vent | Taco Thread Size_4-8 x 3-8 Recommend use as Type 3RCoin Vent Installed on water or stream radiators the Taco automatic coin vent is the ideal air purging device. The coin vent features special hygroscopic cellulose discs in the valve body. When dry the discs allow air to be released from the system. Once all the air is purged the discs would then come in contact with system water, where upon they would swell to create a positive shut off. This continuous cycle prevents the radiators from becoming air