mercoid pressure switch for sale, brand-new and used.

For auction - 1 - Mercoid pressure switch, Model Nol DA-31-2-6. New in the box. The box is crumpled and dusty from storage.

MERCOID CONTROLS PRESSURE SWITCH MODEL: DPA-33-153-62 Please see pictures for more specs.

Here we have the Mercoid Control Corp. pressure control type DR-61-160L R9S, serial no. 3D 179190, switch no.

Up for auction is a new Dwyer Instruments (Mercoid controller) CS-150 refrigeration controller. This switch is new in box. The range is 10-150 psi.

NEW MERCOID DA31-153-2 PRESSURE SWITCH 0-30IN HG VAC 6IN FACE 1/4NPT My items were purchased through a liquidation sale. This is NEW inventory and are not covered by any manufacturer's warranty. I will ship within 48 hours after payment clears.

NEW. NO BOX. THE SWITCH IS NEW.

WE ARE SELLING A NEW MERCOID CONTROL PRESSURE MERCURY SWITCH MODEL # AP153 R 36 Wetted Materials: Nylon reinforced Buna-N and steel. PTFE and 316 SS optional. Temperature Limits: -30 to 150°F (-35 to 66°C).

I am not sure what this is or what it does , a pressure switch of some sort ? It is marked Type DR31-156u R6 , Serial 79-53899 Reset 1 , 120 volt 10 amp , 240 volt 5 amp , AC1/2 , DC1/3 HP . The Mercoid Corporation Chicago Il.

Adjustable or fixed deadband SPDT snap-action, hermetically sealed snap action or hermetically sealed mercury switch External switch setpoint adjustments Minimum deadband is obtainable at any point in the range Pressure Ranges of full vacuum to 8000 psig UL listed, CSA approved. Many models FM approved General purpose, weatherproof or explosion-proof enclosures Specifications

Mercoid model DA-31-153-1 pressure switch. Looks unused in its original box. The box has some storage wear, dusty and dirty.

Mercoid Control DA21-2 Pressure Switch Inventory #3196 DESCRIPTION The Mercoid Control pressure switch is in good condition. It was cleaned. It needs a new mercury bulb switch.

New old stock Mercoid Da-531 pressure switch in the original box. All brass with the mercury filled bourbon tube. Measures about 6" in diameter.

NEW!! Mercoid Dwyer Pressure Switch DA-31-153-3A DA311533A NEVER INSTALLED (B28) Description Here's a brand new Mercoid pressure switch model number DA-31-153-3A. It was purchased as a spare and never needed to be put in service.

Contact closes on an increase in pressure difference between two sources. Contact opens on a decrease in pressure difference between two sources. Detailed information about the product can be found here .

Mercoid pressure switches #DAF-21-R6S, new in boxes, but old stock.