Dwyer Mercoid Series 123 Boiler Water Level Controller with SPDT Mercury Switch, Cast Iron Chamber

Dwyer Mercoid Series AP Diaphragm Operated Pressure Switch, Range 10-125 psig, SPDT Mercury Switch, Low Deadband 2 psig, High Deadband 6 psig, Maximum Pressure 160 psig

Mercoid 9-5107SA-8T Mercury Switch

NEW MERCOID 40-103-R6 MERCURY CONTROL SWITCH LEVEL ARM

Dwyer Mercoid Series PG Gas Pressure/Differential Pressure Switch, Range 1-30"WC, -10 to 180°F, SPST Mercury Switch, Closes on Increase

Dwyer Mercoid Series DP Differential Pressure Switch, 316Ss Bellows, Range 0-80 psid (0-5.5 bar), Max. Pressure 600 psig (41.4 bar), Min. Deadband 20 psid (1.4 bar)

Dwyer Mercoid Series DA Brass Bourdon Tube Pressure Switch, 0-30" Hg Vac, 2" Hg Minimum Deadband, SPDT

Dwyer Mercoid Series DA/DS Bourdon Tube Pressure Switch, Bourdon Tube Material 403SS, Range 100-1500 psig, Exproof

Dwyer Mercoid Series DA/DS Bourdon Tube Pressure Switch, Bourdon Tube Material Brass, Range 0-30"Hg. Vac, Weather-Proof, Not FM Approved

Dwyer Mercoid Series DA/DS Bourdon Tube Pressure Switch, Bourdon Tube Material 316SS, Range 10-150 psig, Weather-Proof

Dwyer Mercoid Series DA/DS BRASS Bourdon Tube Pressure Switch, Weather-Proof, Range 1/8-20 psig, 1 psig Min. Deadband

Dwyer Mercoid Series DA/DS Brass Bourdon Tube Pressure Switch, Exproof, Range 0-30" Hg Vac, 2" Hg Min. Deadband

Dwyer Mercoid Series DA 403 Stainless Steel Bourdon Tube Pressure Switch, 100-200 psig, 8 psig Minimum Deadband, SPDT

Dwyer Mercoid Series DA/DS 316SS Bourdon Tube Pressure Switch, Exproof, Range 10-150 psig, 6 psig Min. Deadband

Dwyer Mercoid Series DA 316 Stainless Steel Bourdon Tube Pressure Switch, 10-150 psig, 16.5 psig Minimum Deadband, SPDT

Dwyer Mercoid Series DA/DS 403SS Bourdon Tube Pressure Switch, Weather-Proof, Range 100-1500 psig, 130 psig Min. Deadband

Dwyer Mercoid Series DA/DS 403SS Bourdon Tube Pressure Switch, Exproof, Range 100-1500 psig, 195 psig Min. Deadband

Dwyer Mercoid Series FM-437 Immersion Temperature Control with 304 Stainless Steel Well, 4 1/2" Well Dim., 160-300F

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