Intermatic WH40 Timer Control Els PW 17895 OEM Compatibility: Drop-in replacement for

OEM Compatibility: Drop-in replacement for York S1-031-01958-000

always follow NFPA 54 codes

always verify the valve body's temperature and pressure limits against the media being used to ensure seal compatibility

Ensure the O-rings are lubricated with high-quality refrigeration oil before seating to prevent leaks and ensure a proper metal-to-metal seal with the knife-edge construction

such as discharge lines

Intermatic WH40 Timer Control Els PW 17895 OEM Compatibility: Drop-in replacement forThe Intermatic WH40 is a heavy duty mechanical water heater timer designed for precise industrial and residential load management. Engineered as a DPST (Double Pole Single Throw) switch, this 40 amp control handles up to 10,000 watts at 208 250 VAC, making it the industry standard for reducing energy costs by shifting water heater operation to off peak utility hours. The rugged NEMA 1 indoor steel enclosure houses a reliable 24 hour yellow dial that