The advantage of these is how well the plates can withstand harsh weather conditions and also withstand abuse from heavy-duty service equipment such as snowplows
glycol anti-freeze and temperatures up to 240 degree F in heating systems and methanol based anti-freeze solutions inch ground-source heat pump loops
No-hub or socket-outlet options available for flexible piping connection
low-profile transition from roof drainage into downspout piping
This 1 1/4 inch lead free anti-siphon vacuum breaker backflow preventer for hot or cold water prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage
Watts DBF-04-121-25-M2 8 - Part of the DBF-04 Series Egress System The advantage of these isThis 8 IN domestic wafer style butterfly valve, model DBF 04 121 25 M2, is used in HVAC, irrigation, OEM, commercial, and institutional applications and wherever positive shutoff is required to control the flow of liquids, gases, and slurries. It features cast iron body construction, aluminum bronze disc, Buna N seat, a stainless steel shaft, mounting pad for 10 position lever. Features Lever handle Ductile iron body Aluminum bronze disc Buna N seat