Modine 5H73057-2 Blocked Vent SwitchModine 5H73057 2 is a Blocked Vent Switch that protects your heating system from vent blockages. This essential HVAC replacement part helps prevent overheating by signaling when the vent is obstructed. Engineered for reliable performance in Modine heating units, the 5H73057 2 serves as a safety switch to interrupt operation if vent flow is compromised. Built to withstand typical operating conditions, it delivers consistent protection and peace of

Featuring a Type Snap Fit design and a 36-inch length

Current rating: 20A contact rating for dependable power switching

90+ high altitude rated to maintain accurate sensing in thin air

it features 3/4" NPT connections and is suitable for air

and helps maintain consistent heating and cooling

the part uses standard connections that simplify service during maintenance checks

built from aluminum for lightweight strength and corrosion resistance

delivering precise scale calibration and dependable performance

Engineered for reliable air removal

Amtrol EX-30 Hydronic Expansion Tank is designed for reliable pressure management in closed

36 °F accuracy at 77 °F

Shaft & Mounting: 3/8"–5/8" shaft